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Finding the Fourth Proportional to 17,320.80, 25,981.20 and 16,227.30

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Solution

The fourth proportional to 17,320.80, 25,981.20 and 16,227.30 is: 24,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.80 : 25,981.20 = 16,227.30 : x
  2. Step 2: Convert to fraction form
    17,320.80/25,981.20 = 16,227.30/x
  3. Step 3: Cross multiply
    17,320.80x = 25,981.20 × 16,227.30
  4. Step 4: Simplify right side
    17,320.80x = 421,604,726.76
  5. Step 5: Solve for x
    x = 421,604,726.76/17,320.80
  6. Step 6: Final answer
    x = 24,340.95

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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.