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Finding the Fourth Proportional to 60,375.68, 90,445.71 and 39,536

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Solution

The fourth proportional to 60,375.68, 90,445.71 and 39,536 is: 59,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.68 : 90,445.71 = 39,536 : x
  2. Step 2: Convert to fraction form
    60,375.68/90,445.71 = 39,536/x
  3. Step 3: Cross multiply
    60,375.68x = 90,445.71 × 39,536
  4. Step 4: Simplify right side
    60,375.68x = 3,575,861,590.56
  5. Step 5: Solve for x
    x = 3,575,861,590.56/60,375.68
  6. Step 6: Final answer
    x = 59,226.85

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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.