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Finding the Fourth Proportional to 8,502.55, 12,732.61 and 5,373.11

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Solution

The fourth proportional to 8,502.55, 12,732.61 and 5,373.11 is: 8,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.55 : 12,732.61 = 5,373.11 : x
  2. Step 2: Convert to fraction form
    8,502.55/12,732.61 = 5,373.11/x
  3. Step 3: Cross multiply
    8,502.55x = 12,732.61 × 5,373.11
  4. Step 4: Simplify right side
    8,502.55x = 68,413,742.59
  5. Step 5: Solve for x
    x = 68,413,742.59/8,502.55
  6. Step 6: Final answer
    x = 8,046.26

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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.