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Finding the Fourth Proportional to 68,296.70, 94,249.05 and 38,082.39

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Solution

The fourth proportional to 68,296.70, 94,249.05 and 38,082.39 is: 52,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,296.70 : 94,249.05 = 38,082.39 : x
  2. Step 2: Convert to fraction form
    68,296.70/94,249.05 = 38,082.39/x
  3. Step 3: Cross multiply
    68,296.70x = 94,249.05 × 38,082.39
  4. Step 4: Simplify right side
    68,296.70x = 3,589,229,079.23
  5. Step 5: Solve for x
    x = 3,589,229,079.23/68,296.70
  6. Step 6: Final answer
    x = 52,553.48

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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.