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Finding the Fourth Proportional to 16,342.38, 22,552.49 and 8,890.38

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Solution

The fourth proportional to 16,342.38, 22,552.49 and 8,890.38 is: 12,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,342.38 : 22,552.49 = 8,890.38 : x
  2. Step 2: Convert to fraction form
    16,342.38/22,552.49 = 8,890.38/x
  3. Step 3: Cross multiply
    16,342.38x = 22,552.49 × 8,890.38
  4. Step 4: Simplify right side
    16,342.38x = 200,500,206.05
  5. Step 5: Solve for x
    x = 200,500,206.05/16,342.38
  6. Step 6: Final answer
    x = 12,268.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.