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Finding the Fourth Proportional to 34,843.78, 48,082.17 and 19,739.62

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Solution

The fourth proportional to 34,843.78, 48,082.17 and 19,739.62 is: 27,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.78 : 48,082.17 = 19,739.62 : x
  2. Step 2: Convert to fraction form
    34,843.78/48,082.17 = 19,739.62/x
  3. Step 3: Cross multiply
    34,843.78x = 48,082.17 × 19,739.62
  4. Step 4: Simplify right side
    34,843.78x = 949,123,764.58
  5. Step 5: Solve for x
    x = 949,123,764.58/34,843.78
  6. Step 6: Final answer
    x = 27,239.40

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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.