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Finding the Fourth Proportional to 12,498.68, 18,704.28 and 9,553.52

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Solution

The fourth proportional to 12,498.68, 18,704.28 and 9,553.52 is: 14,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.68 : 18,704.28 = 9,553.52 : x
  2. Step 2: Convert to fraction form
    12,498.68/18,704.28 = 9,553.52/x
  3. Step 3: Cross multiply
    12,498.68x = 18,704.28 × 9,553.52
  4. Step 4: Simplify right side
    12,498.68x = 178,691,713.07
  5. Step 5: Solve for x
    x = 178,691,713.07/12,498.68
  6. Step 6: Final answer
    x = 14,296.85

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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.