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Finding the Fourth Proportional to 63,474.82, 87,591.88 and 36,615.74

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Solution

The fourth proportional to 63,474.82, 87,591.88 and 36,615.74 is: 50,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,474.82 : 87,591.88 = 36,615.74 : x
  2. Step 2: Convert to fraction form
    63,474.82/87,591.88 = 36,615.74/x
  3. Step 3: Cross multiply
    63,474.82x = 87,591.88 × 36,615.74
  4. Step 4: Simplify right side
    63,474.82x = 3,207,241,504.19
  5. Step 5: Solve for x
    x = 3,207,241,504.19/63,474.82
  6. Step 6: Final answer
    x = 50,527.78

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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.