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Finding the Fourth Proportional to 24,788.60, 34,213.86 and 20,802.79

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Solution

The fourth proportional to 24,788.60, 34,213.86 and 20,802.79 is: 28,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,788.60 : 34,213.86 = 20,802.79 : x
  2. Step 2: Convert to fraction form
    24,788.60/34,213.86 = 20,802.79/x
  3. Step 3: Cross multiply
    24,788.60x = 34,213.86 × 20,802.79
  4. Step 4: Simplify right side
    24,788.60x = 711,743,787.44
  5. Step 5: Solve for x
    x = 711,743,787.44/24,788.60
  6. Step 6: Final answer
    x = 28,712.55

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