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Finding the Fourth Proportional to 63,691.56, 95,551.23 and 19,321.77

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Solution

The fourth proportional to 63,691.56, 95,551.23 and 19,321.77 is: 28,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.56 : 95,551.23 = 19,321.77 : x
  2. Step 2: Convert to fraction form
    63,691.56/95,551.23 = 19,321.77/x
  3. Step 3: Cross multiply
    63,691.56x = 95,551.23 × 19,321.77
  4. Step 4: Simplify right side
    63,691.56x = 1,846,218,889.28
  5. Step 5: Solve for x
    x = 1,846,218,889.28/63,691.56
  6. Step 6: Final answer
    x = 28,986.87

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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.