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Finding the Fourth Proportional to 62,487.68, 86,200.71 and 42,337.67

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Solution

The fourth proportional to 62,487.68, 86,200.71 and 42,337.67 is: 58,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.68 : 86,200.71 = 42,337.67 : x
  2. Step 2: Convert to fraction form
    62,487.68/86,200.71 = 42,337.67/x
  3. Step 3: Cross multiply
    62,487.68x = 86,200.71 × 42,337.67
  4. Step 4: Simplify right side
    62,487.68x = 3,649,537,213.75
  5. Step 5: Solve for x
    x = 3,649,537,213.75/62,487.68
  6. Step 6: Final answer
    x = 58,404.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.