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Finding the Fourth Proportional to 17,206.68, 25,791.34 and 7,217.88

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Solution

The fourth proportional to 17,206.68, 25,791.34 and 7,217.88 is: 10,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.68 : 25,791.34 = 7,217.88 : x
  2. Step 2: Convert to fraction form
    17,206.68/25,791.34 = 7,217.88/x
  3. Step 3: Cross multiply
    17,206.68x = 25,791.34 × 7,217.88
  4. Step 4: Simplify right side
    17,206.68x = 186,158,797.16
  5. Step 5: Solve for x
    x = 186,158,797.16/17,206.68
  6. Step 6: Final answer
    x = 10,818.98

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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.