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Finding the Fourth Proportional to 63,381.72, 87,476 and 36,519.04

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Solution

The fourth proportional to 63,381.72, 87,476 and 36,519.04 is: 50,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,381.72 : 87,476 = 36,519.04 : x
  2. Step 2: Convert to fraction form
    63,381.72/87,476 = 36,519.04/x
  3. Step 3: Cross multiply
    63,381.72x = 87,476 × 36,519.04
  4. Step 4: Simplify right side
    63,381.72x = 3,194,539,543.04
  5. Step 5: Solve for x
    x = 3,194,539,543.04/63,381.72
  6. Step 6: Final answer
    x = 50,401.59

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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.