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Finding the Fourth Proportional to 5,169.18, 7,747.61 and 3,600.69

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Solution

The fourth proportional to 5,169.18, 7,747.61 and 3,600.69 is: 5,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.18 : 7,747.61 = 3,600.69 : x
  2. Step 2: Convert to fraction form
    5,169.18/7,747.61 = 3,600.69/x
  3. Step 3: Cross multiply
    5,169.18x = 7,747.61 × 3,600.69
  4. Step 4: Simplify right side
    5,169.18x = 27,896,723.85
  5. Step 5: Solve for x
    x = 27,896,723.85/5,169.18
  6. Step 6: Final answer
    x = 5,396.74

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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.