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Finding the Fourth Proportional to 67,373.91, 92,974.91 and 38,694.18

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Solution

The fourth proportional to 67,373.91, 92,974.91 and 38,694.18 is: 53,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,373.91 : 92,974.91 = 38,694.18 : x
  2. Step 2: Convert to fraction form
    67,373.91/92,974.91 = 38,694.18/x
  3. Step 3: Cross multiply
    67,373.91x = 92,974.91 × 38,694.18
  4. Step 4: Simplify right side
    67,373.91x = 3,597,587,709.55
  5. Step 5: Solve for x
    x = 3,597,587,709.55/67,373.91
  6. Step 6: Final answer
    x = 53,397.34

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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.