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Finding the Fourth Proportional to 60,479.26, 83,424.93 and 38,961.91

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Solution

The fourth proportional to 60,479.26, 83,424.93 and 38,961.91 is: 53,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,479.26 : 83,424.93 = 38,961.91 : x
  2. Step 2: Convert to fraction form
    60,479.26/83,424.93 = 38,961.91/x
  3. Step 3: Cross multiply
    60,479.26x = 83,424.93 × 38,961.91
  4. Step 4: Simplify right side
    60,479.26x = 3,250,394,614.42
  5. Step 5: Solve for x
    x = 3,250,394,614.42/60,479.26
  6. Step 6: Final answer
    x = 53,743.95

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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.