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Finding the Fourth Proportional to 63,408.88, 87,504.08 and 36,551.16

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Solution

The fourth proportional to 63,408.88, 87,504.08 and 36,551.16 is: 50,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.88 : 87,504.08 = 36,551.16 : x
  2. Step 2: Convert to fraction form
    63,408.88/87,504.08 = 36,551.16/x
  3. Step 3: Cross multiply
    63,408.88x = 87,504.08 × 36,551.16
  4. Step 4: Simplify right side
    63,408.88x = 3,198,375,628.73
  5. Step 5: Solve for x
    x = 3,198,375,628.73/63,408.88
  6. Step 6: Final answer
    x = 50,440.50

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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.