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Finding the Fourth Proportional to 17,073.42, 25,615.22 and 8,759.31

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Solution

The fourth proportional to 17,073.42, 25,615.22 and 8,759.31 is: 13,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.42 : 25,615.22 = 8,759.31 : x
  2. Step 2: Convert to fraction form
    17,073.42/25,615.22 = 8,759.31/x
  3. Step 3: Cross multiply
    17,073.42x = 25,615.22 × 8,759.31
  4. Step 4: Simplify right side
    17,073.42x = 224,371,608.90
  5. Step 5: Solve for x
    x = 224,371,608.90/17,073.42
  6. Step 6: Final answer
    x = 13,141.57

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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.