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Finding the Fourth Proportional to 5,666.87, 8,489.37 and 2,747.23

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Solution

The fourth proportional to 5,666.87, 8,489.37 and 2,747.23 is: 4,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.87 : 8,489.37 = 2,747.23 : x
  2. Step 2: Convert to fraction form
    5,666.87/8,489.37 = 2,747.23/x
  3. Step 3: Cross multiply
    5,666.87x = 8,489.37 × 2,747.23
  4. Step 4: Simplify right side
    5,666.87x = 23,322,251.95
  5. Step 5: Solve for x
    x = 23,322,251.95/5,666.87
  6. Step 6: Final answer
    x = 4,115.54

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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.