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Finding the Fourth Proportional to 63,919.92, 95,879.82 and 17,172.80

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Solution

The fourth proportional to 63,919.92, 95,879.82 and 17,172.80 is: 25,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.92 : 95,879.82 = 17,172.80 : x
  2. Step 2: Convert to fraction form
    63,919.92/95,879.82 = 17,172.80/x
  3. Step 3: Cross multiply
    63,919.92x = 95,879.82 × 17,172.80
  4. Step 4: Simplify right side
    63,919.92x = 1,646,524,493.50
  5. Step 5: Solve for x
    x = 1,646,524,493.50/63,919.92
  6. Step 6: Final answer
    x = 25,759.18

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