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Finding the Fourth Proportional to 29,843.73, 41,147.87 and 19,769.49

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Solution

The fourth proportional to 29,843.73, 41,147.87 and 19,769.49 is: 27,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,843.73 : 41,147.87 = 19,769.49 : x
  2. Step 2: Convert to fraction form
    29,843.73/41,147.87 = 19,769.49/x
  3. Step 3: Cross multiply
    29,843.73x = 41,147.87 × 19,769.49
  4. Step 4: Simplify right side
    29,843.73x = 813,472,305.64
  5. Step 5: Solve for x
    x = 813,472,305.64/29,843.73
  6. Step 6: Final answer
    x = 27,257.73

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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.