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Finding the Fourth Proportional to 29,658.78, 40,929.12 and 16,230.15

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Solution

The fourth proportional to 29,658.78, 40,929.12 and 16,230.15 is: 22,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.78 : 40,929.12 = 16,230.15 : x
  2. Step 2: Convert to fraction form
    29,658.78/40,929.12 = 16,230.15/x
  3. Step 3: Cross multiply
    29,658.78x = 40,929.12 × 16,230.15
  4. Step 4: Simplify right side
    29,658.78x = 664,285,756.97
  5. Step 5: Solve for x
    x = 664,285,756.97/29,658.78
  6. Step 6: Final answer
    x = 22,397.61

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