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Finding the Fourth Proportional to 16,922.52, 25,400.18 and 8,163.59

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Solution

The fourth proportional to 16,922.52, 25,400.18 and 8,163.59 is: 12,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.52 : 25,400.18 = 8,163.59 : x
  2. Step 2: Convert to fraction form
    16,922.52/25,400.18 = 8,163.59/x
  3. Step 3: Cross multiply
    16,922.52x = 25,400.18 × 8,163.59
  4. Step 4: Simplify right side
    16,922.52x = 207,356,548.85
  5. Step 5: Solve for x
    x = 207,356,548.85/16,922.52
  6. Step 6: Final answer
    x = 12,253.29

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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.