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Finding the Fourth Proportional to 63,443.60, 87,545.75 and 37,944.91

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Solution

The fourth proportional to 63,443.60, 87,545.75 and 37,944.91 is: 52,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,443.60 : 87,545.75 = 37,944.91 : x
  2. Step 2: Convert to fraction form
    63,443.60/87,545.75 = 37,944.91/x
  3. Step 3: Cross multiply
    63,443.60x = 87,545.75 × 37,944.91
  4. Step 4: Simplify right side
    63,443.60x = 3,321,915,480.63
  5. Step 5: Solve for x
    x = 3,321,915,480.63/63,443.60
  6. Step 6: Final answer
    x = 52,360.13

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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.