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Finding the Fourth Proportional to 17,163.72, 25,874.20 and 16,020.68

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Solution

The fourth proportional to 17,163.72, 25,874.20 and 16,020.68 is: 24,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.72 : 25,874.20 = 16,020.68 : x
  2. Step 2: Convert to fraction form
    17,163.72/25,874.20 = 16,020.68/x
  3. Step 3: Cross multiply
    17,163.72x = 25,874.20 × 16,020.68
  4. Step 4: Simplify right side
    17,163.72x = 414,522,278.46
  5. Step 5: Solve for x
    x = 414,522,278.46/17,163.72
  6. Step 6: Final answer
    x = 24,151.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.