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Finding the Fourth Proportional to 5,581.91, 8,372.46 and 2,250.38

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Solution

The fourth proportional to 5,581.91, 8,372.46 and 2,250.38 is: 3,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.91 : 8,372.46 = 2,250.38 : x
  2. Step 2: Convert to fraction form
    5,581.91/8,372.46 = 2,250.38/x
  3. Step 3: Cross multiply
    5,581.91x = 8,372.46 × 2,250.38
  4. Step 4: Simplify right side
    5,581.91x = 18,841,216.53
  5. Step 5: Solve for x
    x = 18,841,216.53/5,581.91
  6. Step 6: Final answer
    x = 3,375.41

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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.