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Finding the Fourth Proportional to 69,082.19, 95,333.42 and 39,274.19

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Solution

The fourth proportional to 69,082.19, 95,333.42 and 39,274.19 is: 54,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.19 : 95,333.42 = 39,274.19 : x
  2. Step 2: Convert to fraction form
    69,082.19/95,333.42 = 39,274.19/x
  3. Step 3: Cross multiply
    69,082.19x = 95,333.42 × 39,274.19
  4. Step 4: Simplify right side
    69,082.19x = 3,744,142,850.43
  5. Step 5: Solve for x
    x = 3,744,142,850.43/69,082.19
  6. Step 6: Final answer
    x = 54,198.38

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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.