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Finding the Fourth Proportional to 47,757.53, 71,537.85 and 27,976.12

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Solution

The fourth proportional to 47,757.53, 71,537.85 and 27,976.12 is: 41,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757.53 : 71,537.85 = 27,976.12 : x
  2. Step 2: Convert to fraction form
    47,757.53/71,537.85 = 27,976.12/x
  3. Step 3: Cross multiply
    47,757.53x = 71,537.85 × 27,976.12
  4. Step 4: Simplify right side
    47,757.53x = 2,001,351,297.30
  5. Step 5: Solve for x
    x = 2,001,351,297.30/47,757.53
  6. Step 6: Final answer
    x = 41,906.51

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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.