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Finding the Fourth Proportional to 63,407.43, 87,496.11 and 37,908.72

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Solution

The fourth proportional to 63,407.43, 87,496.11 and 37,908.72 is: 52,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,407.43 : 87,496.11 = 37,908.72 : x
  2. Step 2: Convert to fraction form
    63,407.43/87,496.11 = 37,908.72/x
  3. Step 3: Cross multiply
    63,407.43x = 87,496.11 × 37,908.72
  4. Step 4: Simplify right side
    63,407.43x = 3,316,865,535.08
  5. Step 5: Solve for x
    x = 3,316,865,535.08/63,407.43
  6. Step 6: Final answer
    x = 52,310.36

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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.