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Finding the Fourth Proportional to 12,144.52, 16,650.20 and 11,923.12

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Solution

The fourth proportional to 12,144.52, 16,650.20 and 11,923.12 is: 16,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.52 : 16,650.20 = 11,923.12 : x
  2. Step 2: Convert to fraction form
    12,144.52/16,650.20 = 11,923.12/x
  3. Step 3: Cross multiply
    12,144.52x = 16,650.20 × 11,923.12
  4. Step 4: Simplify right side
    12,144.52x = 198,522,332.62
  5. Step 5: Solve for x
    x = 198,522,332.62/12,144.52
  6. Step 6: Final answer
    x = 16,346.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.