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Finding the Fourth Proportional to 60,645.68, 83,691.90 and 35,153.92

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Solution

The fourth proportional to 60,645.68, 83,691.90 and 35,153.92 is: 48,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.68 : 83,691.90 = 35,153.92 : x
  2. Step 2: Convert to fraction form
    60,645.68/83,691.90 = 35,153.92/x
  3. Step 3: Cross multiply
    60,645.68x = 83,691.90 × 35,153.92
  4. Step 4: Simplify right side
    60,645.68x = 2,942,098,357.25
  5. Step 5: Solve for x
    x = 2,942,098,357.25/60,645.68
  6. Step 6: Final answer
    x = 48,512.91

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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.