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Finding the Fourth Proportional to 63,558, 87,709.97 and 34,877.82

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Solution

The fourth proportional to 63,558, 87,709.97 and 34,877.82 is: 48,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558 : 87,709.97 = 34,877.82 : x
  2. Step 2: Convert to fraction form
    63,558/87,709.97 = 34,877.82/x
  3. Step 3: Cross multiply
    63,558x = 87,709.97 × 34,877.82
  4. Step 4: Simplify right side
    63,558x = 3,059,132,961.97
  5. Step 5: Solve for x
    x = 3,059,132,961.97/63,558
  6. Step 6: Final answer
    x = 48,131.36

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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.