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Finding the Fourth Proportional to 17,682.40, 26,545.20 and 17,552.80

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Solution

The fourth proportional to 17,682.40, 26,545.20 and 17,552.80 is: 26,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.40 : 26,545.20 = 17,552.80 : x
  2. Step 2: Convert to fraction form
    17,682.40/26,545.20 = 17,552.80/x
  3. Step 3: Cross multiply
    17,682.40x = 26,545.20 × 17,552.80
  4. Step 4: Simplify right side
    17,682.40x = 465,942,586.56
  5. Step 5: Solve for x
    x = 465,942,586.56/17,682.40
  6. Step 6: Final answer
    x = 26,350.64

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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.