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Finding the Fourth Proportional to 10,654.72, 15,985.92 and 3,730.24

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Solution

The fourth proportional to 10,654.72, 15,985.92 and 3,730.24 is: 5,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.72 : 15,985.92 = 3,730.24 : x
  2. Step 2: Convert to fraction form
    10,654.72/15,985.92 = 3,730.24/x
  3. Step 3: Cross multiply
    10,654.72x = 15,985.92 × 3,730.24
  4. Step 4: Simplify right side
    10,654.72x = 59,631,318.22
  5. Step 5: Solve for x
    x = 59,631,318.22/10,654.72
  6. Step 6: Final answer
    x = 5,596.70

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