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Finding the Fourth Proportional to 45,793.60, 68,560.80 and 40,609.60

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Solution

The fourth proportional to 45,793.60, 68,560.80 and 40,609.60 is: 60,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.60 : 68,560.80 = 40,609.60 : x
  2. Step 2: Convert to fraction form
    45,793.60/68,560.80 = 40,609.60/x
  3. Step 3: Cross multiply
    45,793.60x = 68,560.80 × 40,609.60
  4. Step 4: Simplify right side
    45,793.60x = 2,784,226,663.68
  5. Step 5: Solve for x
    x = 2,784,226,663.68/45,793.60
  6. Step 6: Final answer
    x = 60,799.47

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