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Finding the Fourth Proportional to 67,375.94, 92,983.04 and 38,704.57

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Solution

The fourth proportional to 67,375.94, 92,983.04 and 38,704.57 is: 53,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,375.94 : 92,983.04 = 38,704.57 : x
  2. Step 2: Convert to fraction form
    67,375.94/92,983.04 = 38,704.57/x
  3. Step 3: Cross multiply
    67,375.94x = 92,983.04 × 38,704.57
  4. Step 4: Simplify right side
    67,375.94x = 3,598,868,299.65
  5. Step 5: Solve for x
    x = 3,598,868,299.65/67,375.94
  6. Step 6: Final answer
    x = 53,414.74

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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.