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Finding the Fourth Proportional to 8,916.55, 13,375.01 and 3,372.52

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Solution

The fourth proportional to 8,916.55, 13,375.01 and 3,372.52 is: 5,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.55 : 13,375.01 = 3,372.52 : x
  2. Step 2: Convert to fraction form
    8,916.55/13,375.01 = 3,372.52/x
  3. Step 3: Cross multiply
    8,916.55x = 13,375.01 × 3,372.52
  4. Step 4: Simplify right side
    8,916.55x = 45,107,471.86
  5. Step 5: Solve for x
    x = 45,107,471.86/8,916.55
  6. Step 6: Final answer
    x = 5,058.85

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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.