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Finding the Fourth Proportional to 63,544.37, 87,694.88 and 38,401.97

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Solution

The fourth proportional to 63,544.37, 87,694.88 and 38,401.97 is: 52,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,544.37 : 87,694.88 = 38,401.97 : x
  2. Step 2: Convert to fraction form
    63,544.37/87,694.88 = 38,401.97/x
  3. Step 3: Cross multiply
    63,544.37x = 87,694.88 × 38,401.97
  4. Step 4: Simplify right side
    63,544.37x = 3,367,655,520.43
  5. Step 5: Solve for x
    x = 3,367,655,520.43/63,544.37
  6. Step 6: Final answer
    x = 52,996.92

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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.