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Finding the Fourth Proportional to 60,797.91, 83,902.53 and 38,137.85

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Solution

The fourth proportional to 60,797.91, 83,902.53 and 38,137.85 is: 52,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,797.91 : 83,902.53 = 38,137.85 : x
  2. Step 2: Convert to fraction form
    60,797.91/83,902.53 = 38,137.85/x
  3. Step 3: Cross multiply
    60,797.91x = 83,902.53 × 38,137.85
  4. Step 4: Simplify right side
    60,797.91x = 3,199,862,613.85
  5. Step 5: Solve for x
    x = 3,199,862,613.85/60,797.91
  6. Step 6: Final answer
    x = 52,631.13

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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.