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Finding the Fourth Proportional to 63,053.43, 87,011.07 and 34,372.47

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Solution

The fourth proportional to 63,053.43, 87,011.07 and 34,372.47 is: 47,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,053.43 : 87,011.07 = 34,372.47 : x
  2. Step 2: Convert to fraction form
    63,053.43/87,011.07 = 34,372.47/x
  3. Step 3: Cross multiply
    63,053.43x = 87,011.07 × 34,372.47
  4. Step 4: Simplify right side
    63,053.43x = 2,990,785,393.24
  5. Step 5: Solve for x
    x = 2,990,785,393.24/63,053.43
  6. Step 6: Final answer
    x = 47,432.56

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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.