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Finding the Fourth Proportional to 63,397.61, 87,516.96 and 41,900.31

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Solution

The fourth proportional to 63,397.61, 87,516.96 and 41,900.31 is: 57,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,397.61 : 87,516.96 = 41,900.31 : x
  2. Step 2: Convert to fraction form
    63,397.61/87,516.96 = 41,900.31/x
  3. Step 3: Cross multiply
    63,397.61x = 87,516.96 × 41,900.31
  4. Step 4: Simplify right side
    63,397.61x = 3,666,987,583.20
  5. Step 5: Solve for x
    x = 3,666,987,583.20/63,397.61
  6. Step 6: Final answer
    x = 57,841.11

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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.