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Finding the Fourth Proportional to 63,886.27, 88,163.17 and 38,393.03

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Solution

The fourth proportional to 63,886.27, 88,163.17 and 38,393.03 is: 52,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,886.27 : 88,163.17 = 38,393.03 : x
  2. Step 2: Convert to fraction form
    63,886.27/88,163.17 = 38,393.03/x
  3. Step 3: Cross multiply
    63,886.27x = 88,163.17 × 38,393.03
  4. Step 4: Simplify right side
    63,886.27x = 3,384,850,789.89
  5. Step 5: Solve for x
    x = 3,384,850,789.89/63,886.27
  6. Step 6: Final answer
    x = 52,982.45

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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.