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Finding the Fourth Proportional to 63,392.55, 87,480.97 and 34,711.93

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Solution

The fourth proportional to 63,392.55, 87,480.97 and 34,711.93 is: 47,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392.55 : 87,480.97 = 34,711.93 : x
  2. Step 2: Convert to fraction form
    63,392.55/87,480.97 = 34,711.93/x
  3. Step 3: Cross multiply
    63,392.55x = 87,480.97 × 34,711.93
  4. Step 4: Simplify right side
    63,392.55x = 3,036,633,306.97
  5. Step 5: Solve for x
    x = 3,036,633,306.97/63,392.55
  6. Step 6: Final answer
    x = 47,902.05

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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.