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Finding the Fourth Proportional to 41,843.89, 62,757.73 and 11,857.87

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Solution

The fourth proportional to 41,843.89, 62,757.73 and 11,857.87 is: 17,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,843.89 : 62,757.73 = 11,857.87 : x
  2. Step 2: Convert to fraction form
    41,843.89/62,757.73 = 11,857.87/x
  3. Step 3: Cross multiply
    41,843.89x = 62,757.73 × 11,857.87
  4. Step 4: Simplify right side
    41,843.89x = 744,172,630.76
  5. Step 5: Solve for x
    x = 744,172,630.76/41,843.89
  6. Step 6: Final answer
    x = 17,784.50

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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.