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Finding the Fourth Proportional to 63,087.68, 87,057.24 and 36,234.56

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Solution

The fourth proportional to 63,087.68, 87,057.24 and 36,234.56 is: 50,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,087.68 : 87,057.24 = 36,234.56 : x
  2. Step 2: Convert to fraction form
    63,087.68/87,057.24 = 36,234.56/x
  3. Step 3: Cross multiply
    63,087.68x = 87,057.24 × 36,234.56
  4. Step 4: Simplify right side
    63,087.68x = 3,154,480,786.21
  5. Step 5: Solve for x
    x = 3,154,480,786.21/63,087.68
  6. Step 6: Final answer
    x = 50,001.53

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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.