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Finding the Fourth Proportional to 63,422.70, 95,126.51 and 16,679.22

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Solution

The fourth proportional to 63,422.70, 95,126.51 and 16,679.22 is: 25,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.70 : 95,126.51 = 16,679.22 : x
  2. Step 2: Convert to fraction form
    63,422.70/95,126.51 = 16,679.22/x
  3. Step 3: Cross multiply
    63,422.70x = 95,126.51 × 16,679.22
  4. Step 4: Simplify right side
    63,422.70x = 1,586,635,988.12
  5. Step 5: Solve for x
    x = 1,586,635,988.12/63,422.70
  6. Step 6: Final answer
    x = 25,016.85

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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.