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Finding the Fourth Proportional to 69,073.52, 103,613.40 and 24,721.20

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Solution

The fourth proportional to 69,073.52, 103,613.40 and 24,721.20 is: 37,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.52 : 103,613.40 = 24,721.20 : x
  2. Step 2: Convert to fraction form
    69,073.52/103,613.40 = 24,721.20/x
  3. Step 3: Cross multiply
    69,073.52x = 103,613.40 × 24,721.20
  4. Step 4: Simplify right side
    69,073.52x = 2,561,447,584.08
  5. Step 5: Solve for x
    x = 2,561,447,584.08/69,073.52
  6. Step 6: Final answer
    x = 37,082.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.