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Finding the Fourth Proportional to 8,651.03, 12,997.29 and 5,537.12

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Solution

The fourth proportional to 8,651.03, 12,997.29 and 5,537.12 is: 8,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.03 : 12,997.29 = 5,537.12 : x
  2. Step 2: Convert to fraction form
    8,651.03/12,997.29 = 5,537.12/x
  3. Step 3: Cross multiply
    8,651.03x = 12,997.29 × 5,537.12
  4. Step 4: Simplify right side
    8,651.03x = 71,967,489.42
  5. Step 5: Solve for x
    x = 71,967,489.42/8,651.03
  6. Step 6: Final answer
    x = 8,318.96

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Why These Related Problems?

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