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Finding the Fourth Proportional to 5,693.78, 8,545.08 and 3,951.02

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Solution

The fourth proportional to 5,693.78, 8,545.08 and 3,951.02 is: 5,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.78 : 8,545.08 = 3,951.02 : x
  2. Step 2: Convert to fraction form
    5,693.78/8,545.08 = 3,951.02/x
  3. Step 3: Cross multiply
    5,693.78x = 8,545.08 × 3,951.02
  4. Step 4: Simplify right side
    5,693.78x = 33,761,781.98
  5. Step 5: Solve for x
    x = 33,761,781.98/5,693.78
  6. Step 6: Final answer
    x = 5,929.59

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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.