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Finding the Fourth Proportional to 67,158.50, 92,691.92 and 38,497.37

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Solution

The fourth proportional to 67,158.50, 92,691.92 and 38,497.37 is: 53,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.50 : 92,691.92 = 38,497.37 : x
  2. Step 2: Convert to fraction form
    67,158.50/92,691.92 = 38,497.37/x
  3. Step 3: Cross multiply
    67,158.50x = 92,691.92 × 38,497.37
  4. Step 4: Simplify right side
    67,158.50x = 3,568,394,947.76
  5. Step 5: Solve for x
    x = 3,568,394,947.76/67,158.50
  6. Step 6: Final answer
    x = 53,133.93

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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.