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Finding the Fourth Proportional to 16,951.28, 25,442.56 and 8,637.24

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Solution

The fourth proportional to 16,951.28, 25,442.56 and 8,637.24 is: 12,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.28 : 25,442.56 = 8,637.24 : x
  2. Step 2: Convert to fraction form
    16,951.28/25,442.56 = 8,637.24/x
  3. Step 3: Cross multiply
    16,951.28x = 25,442.56 × 8,637.24
  4. Step 4: Simplify right side
    16,951.28x = 219,753,496.93
  5. Step 5: Solve for x
    x = 219,753,496.93/16,951.28
  6. Step 6: Final answer
    x = 12,963.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.