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Finding the Fourth Proportional to 63,871.29, 88,145.10 and 35,576.97

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Solution

The fourth proportional to 63,871.29, 88,145.10 and 35,576.97 is: 49,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871.29 : 88,145.10 = 35,576.97 : x
  2. Step 2: Convert to fraction form
    63,871.29/88,145.10 = 35,576.97/x
  3. Step 3: Cross multiply
    63,871.29x = 88,145.10 × 35,576.97
  4. Step 4: Simplify right side
    63,871.29x = 3,135,935,578.35
  5. Step 5: Solve for x
    x = 3,135,935,578.35/63,871.29
  6. Step 6: Final answer
    x = 49,097.73

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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.