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Finding the Fourth Proportional to 17,206.10, 25,806.71 and 5,517.80

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Solution

The fourth proportional to 17,206.10, 25,806.71 and 5,517.80 is: 8,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.10 : 25,806.71 = 5,517.80 : x
  2. Step 2: Convert to fraction form
    17,206.10/25,806.71 = 5,517.80/x
  3. Step 3: Cross multiply
    17,206.10x = 25,806.71 × 5,517.80
  4. Step 4: Simplify right side
    17,206.10x = 142,396,149.20
  5. Step 5: Solve for x
    x = 142,396,149.20/17,206.10
  6. Step 6: Final answer
    x = 8,275.91

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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.