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Finding the Fourth Proportional to 17,372.92, 25,942.19 and 17,189.80

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Solution

The fourth proportional to 17,372.92, 25,942.19 and 17,189.80 is: 25,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.92 : 25,942.19 = 17,189.80 : x
  2. Step 2: Convert to fraction form
    17,372.92/25,942.19 = 17,189.80/x
  3. Step 3: Cross multiply
    17,372.92x = 25,942.19 × 17,189.80
  4. Step 4: Simplify right side
    17,372.92x = 445,941,057.66
  5. Step 5: Solve for x
    x = 445,941,057.66/17,372.92
  6. Step 6: Final answer
    x = 25,668.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.