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Finding the Fourth Proportional to 63,871.72, 88,116.48 and 38,024.98

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Solution

The fourth proportional to 63,871.72, 88,116.48 and 38,024.98 is: 52,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871.72 : 88,116.48 = 38,024.98 : x
  2. Step 2: Convert to fraction form
    63,871.72/88,116.48 = 38,024.98/x
  3. Step 3: Cross multiply
    63,871.72x = 88,116.48 × 38,024.98
  4. Step 4: Simplify right side
    63,871.72x = 3,350,627,389.67
  5. Step 5: Solve for x
    x = 3,350,627,389.67/63,871.72
  6. Step 6: Final answer
    x = 52,458.70

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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.