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Finding the Fourth Proportional to 2,754.37, 4,132.14 and 806.41

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Solution

The fourth proportional to 2,754.37, 4,132.14 and 806.41 is: 1,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.37 : 4,132.14 = 806.41 : x
  2. Step 2: Convert to fraction form
    2,754.37/4,132.14 = 806.41/x
  3. Step 3: Cross multiply
    2,754.37x = 4,132.14 × 806.41
  4. Step 4: Simplify right side
    2,754.37x = 3,332,199.02
  5. Step 5: Solve for x
    x = 3,332,199.02/2,754.37
  6. Step 6: Final answer
    x = 1,209.79

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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.