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Finding the Fourth Proportional to 17,172.69, 25,759.17 and 6,079.43

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Solution

The fourth proportional to 17,172.69, 25,759.17 and 6,079.43 is: 9,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.69 : 25,759.17 = 6,079.43 : x
  2. Step 2: Convert to fraction form
    17,172.69/25,759.17 = 6,079.43/x
  3. Step 3: Cross multiply
    17,172.69x = 25,759.17 × 6,079.43
  4. Step 4: Simplify right side
    17,172.69x = 156,600,942.08
  5. Step 5: Solve for x
    x = 156,600,942.08/17,172.69
  6. Step 6: Final answer
    x = 9,119.19

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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.