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Finding the Fourth Proportional to 63,694.67, 95,542.23 and 19,321.80

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Solution

The fourth proportional to 63,694.67, 95,542.23 and 19,321.80 is: 28,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,694.67 : 95,542.23 = 19,321.80 : x
  2. Step 2: Convert to fraction form
    63,694.67/95,542.23 = 19,321.80/x
  3. Step 3: Cross multiply
    63,694.67x = 95,542.23 × 19,321.80
  4. Step 4: Simplify right side
    63,694.67x = 1,846,047,859.61
  5. Step 5: Solve for x
    x = 1,846,047,859.61/63,694.67
  6. Step 6: Final answer
    x = 28,982.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.