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Finding the Fourth Proportional to 63,401.88, 87,494.43 and 36,544.17

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Solution

The fourth proportional to 63,401.88, 87,494.43 and 36,544.17 is: 50,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,401.88 : 87,494.43 = 36,544.17 : x
  2. Step 2: Convert to fraction form
    63,401.88/87,494.43 = 36,544.17/x
  3. Step 3: Cross multiply
    63,401.88x = 87,494.43 × 36,544.17
  4. Step 4: Simplify right side
    63,401.88x = 3,197,411,323.97
  5. Step 5: Solve for x
    x = 3,197,411,323.97/63,401.88
  6. Step 6: Final answer
    x = 50,430.86

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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.