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Finding the Fourth Proportional to 2,723.68, 3,758.70 and 1,481.68

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Solution

The fourth proportional to 2,723.68, 3,758.70 and 1,481.68 is: 2,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.68 : 3,758.70 = 1,481.68 : x
  2. Step 2: Convert to fraction form
    2,723.68/3,758.70 = 1,481.68/x
  3. Step 3: Cross multiply
    2,723.68x = 3,758.70 × 1,481.68
  4. Step 4: Simplify right side
    2,723.68x = 5,569,190.62
  5. Step 5: Solve for x
    x = 5,569,190.62/2,723.68
  6. Step 6: Final answer
    x = 2,044.73

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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.