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Finding the Fourth Proportional to 70,191.57, 96,864.42 and 38,360.49

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Solution

The fourth proportional to 70,191.57, 96,864.42 and 38,360.49 is: 52,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,191.57 : 96,864.42 = 38,360.49 : x
  2. Step 2: Convert to fraction form
    70,191.57/96,864.42 = 38,360.49/x
  3. Step 3: Cross multiply
    70,191.57x = 96,864.42 × 38,360.49
  4. Step 4: Simplify right side
    70,191.57x = 3,715,766,614.77
  5. Step 5: Solve for x
    x = 3,715,766,614.77/70,191.57
  6. Step 6: Final answer
    x = 52,937.51

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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.