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Finding the Fourth Proportional to 67,375.84, 92,982.91 and 38,704.47

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Solution

The fourth proportional to 67,375.84, 92,982.91 and 38,704.47 is: 53,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,375.84 : 92,982.91 = 38,704.47 : x
  2. Step 2: Convert to fraction form
    67,375.84/92,982.91 = 38,704.47/x
  3. Step 3: Cross multiply
    67,375.84x = 92,982.91 × 38,704.47
  4. Step 4: Simplify right side
    67,375.84x = 3,598,854,575.10
  5. Step 5: Solve for x
    x = 3,598,854,575.10/67,375.84
  6. Step 6: Final answer
    x = 53,414.61

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1.5x scale

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.