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Finding the Fourth Proportional to 63,659.98, 87,853.22 and 34,980.85

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Solution

The fourth proportional to 63,659.98, 87,853.22 and 34,980.85 is: 48,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.98 : 87,853.22 = 34,980.85 : x
  2. Step 2: Convert to fraction form
    63,659.98/87,853.22 = 34,980.85/x
  3. Step 3: Cross multiply
    63,659.98x = 87,853.22 × 34,980.85
  4. Step 4: Simplify right side
    63,659.98x = 3,073,180,310.84
  5. Step 5: Solve for x
    x = 3,073,180,310.84/63,659.98
  6. Step 6: Final answer
    x = 48,274.92

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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.