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  1. #1
    Lounger
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    Hi,

    The sheet shows the YTD budget which is linear in scale relative to the time, so the figure for December shows the end-of-year (i.e. total budget).

    Using the dates provided, how can we calculate the amount for 7-Dec-09?

    Ta.

    Adam
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  2. #2
    Plutonium Lounger
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    If you want linear interpolation:

    =C2+(D1-C1)/(E1-C1)*(E2-C2)

  3. #3
    Lounger
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    Thanks Hans

    Adam

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