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Finding the Fourth Proportional to 56,124.86, 77,474.39 and 38,229.73

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Solution

The fourth proportional to 56,124.86, 77,474.39 and 38,229.73 is: 52,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.86 : 77,474.39 = 38,229.73 : x
  2. Step 2: Convert to fraction form
    56,124.86/77,474.39 = 38,229.73/x
  3. Step 3: Cross multiply
    56,124.86x = 77,474.39 × 38,229.73
  4. Step 4: Simplify right side
    56,124.86x = 2,961,824,626.78
  5. Step 5: Solve for x
    x = 2,961,824,626.78/56,124.86
  6. Step 6: Final answer
    x = 52,772.07

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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.