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Finding the Fourth Proportional to 12,195.96, 18,296.49 and 6,933.39

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Solution

The fourth proportional to 12,195.96, 18,296.49 and 6,933.39 is: 10,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.96 : 18,296.49 = 6,933.39 : x
  2. Step 2: Convert to fraction form
    12,195.96/18,296.49 = 6,933.39/x
  3. Step 3: Cross multiply
    12,195.96x = 18,296.49 × 6,933.39
  4. Step 4: Simplify right side
    12,195.96x = 126,856,700.80
  5. Step 5: Solve for x
    x = 126,856,700.80/12,195.96
  6. Step 6: Final answer
    x = 10,401.53

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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.