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Finding the Fourth Proportional to 16,002.80, 23,997.72 and 5,613.20

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Solution

The fourth proportional to 16,002.80, 23,997.72 and 5,613.20 is: 8,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.80 : 23,997.72 = 5,613.20 : x
  2. Step 2: Convert to fraction form
    16,002.80/23,997.72 = 5,613.20/x
  3. Step 3: Cross multiply
    16,002.80x = 23,997.72 × 5,613.20
  4. Step 4: Simplify right side
    16,002.80x = 134,704,001.90
  5. Step 5: Solve for x
    x = 134,704,001.90/16,002.80
  6. Step 6: Final answer
    x = 8,417.53

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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.