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Finding the Fourth Proportional to 57,691.60, 86,549.10 and 32,743.60

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Solution

The fourth proportional to 57,691.60, 86,549.10 and 32,743.60 is: 49,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,691.60 : 86,549.10 = 32,743.60 : x
  2. Step 2: Convert to fraction form
    57,691.60/86,549.10 = 32,743.60/x
  3. Step 3: Cross multiply
    57,691.60x = 86,549.10 × 32,743.60
  4. Step 4: Simplify right side
    57,691.60x = 2,833,929,110.76
  5. Step 5: Solve for x
    x = 2,833,929,110.76/57,691.60
  6. Step 6: Final answer
    x = 49,122.04

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