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Finding the Fourth Proportional to 63,512.88, 87,648.32 and 35,217.96

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Solution

The fourth proportional to 63,512.88, 87,648.32 and 35,217.96 is: 48,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.88 : 87,648.32 = 35,217.96 : x
  2. Step 2: Convert to fraction form
    63,512.88/87,648.32 = 35,217.96/x
  3. Step 3: Cross multiply
    63,512.88x = 87,648.32 × 35,217.96
  4. Step 4: Simplify right side
    63,512.88x = 3,086,795,027.83
  5. Step 5: Solve for x
    x = 3,086,795,027.83/63,512.88
  6. Step 6: Final answer
    x = 48,601.09

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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.