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Finding the Fourth Proportional to 63,508.31, 95,243.01 and 43,912.79

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Solution

The fourth proportional to 63,508.31, 95,243.01 and 43,912.79 is: 65,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.31 : 95,243.01 = 43,912.79 : x
  2. Step 2: Convert to fraction form
    63,508.31/95,243.01 = 43,912.79/x
  3. Step 3: Cross multiply
    63,508.31x = 95,243.01 × 43,912.79
  4. Step 4: Simplify right side
    63,508.31x = 4,182,386,297.10
  5. Step 5: Solve for x
    x = 4,182,386,297.10/63,508.31
  6. Step 6: Final answer
    x = 65,855.73

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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.