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Finding the Fourth Proportional to 17,080.40, 25,620.60 and 15,294.80

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Solution

The fourth proportional to 17,080.40, 25,620.60 and 15,294.80 is: 22,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.40 : 25,620.60 = 15,294.80 : x
  2. Step 2: Convert to fraction form
    17,080.40/25,620.60 = 15,294.80/x
  3. Step 3: Cross multiply
    17,080.40x = 25,620.60 × 15,294.80
  4. Step 4: Simplify right side
    17,080.40x = 391,861,952.88
  5. Step 5: Solve for x
    x = 391,861,952.88/17,080.40
  6. Step 6: Final answer
    x = 22,942.20

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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.