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Finding the Fourth Proportional to 67,195.96, 92,734.24 and 38,520.36

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Solution

The fourth proportional to 67,195.96, 92,734.24 and 38,520.36 is: 53,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,195.96 : 92,734.24 = 38,520.36 : x
  2. Step 2: Convert to fraction form
    67,195.96/92,734.24 = 38,520.36/x
  3. Step 3: Cross multiply
    67,195.96x = 92,734.24 × 38,520.36
  4. Step 4: Simplify right side
    67,195.96x = 3,572,156,309.13
  5. Step 5: Solve for x
    x = 3,572,156,309.13/67,195.96
  6. Step 6: Final answer
    x = 53,160.28

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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.