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Finding the Fourth Proportional to 17,141.70, 25,712.55 and 10,229.70

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Solution

The fourth proportional to 17,141.70, 25,712.55 and 10,229.70 is: 15,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.70 : 25,712.55 = 10,229.70 : x
  2. Step 2: Convert to fraction form
    17,141.70/25,712.55 = 10,229.70/x
  3. Step 3: Cross multiply
    17,141.70x = 25,712.55 × 10,229.70
  4. Step 4: Simplify right side
    17,141.70x = 263,031,672.74
  5. Step 5: Solve for x
    x = 263,031,672.74/17,141.70
  6. Step 6: Final answer
    x = 15,344.55

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Similar ratio
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1.5x scale

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.