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Finding the Fourth Proportional to 2,494.27, 3,740.88 and 739.29

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Solution

The fourth proportional to 2,494.27, 3,740.88 and 739.29 is: 1,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.27 : 3,740.88 = 739.29 : x
  2. Step 2: Convert to fraction form
    2,494.27/3,740.88 = 739.29/x
  3. Step 3: Cross multiply
    2,494.27x = 3,740.88 × 739.29
  4. Step 4: Simplify right side
    2,494.27x = 2,765,595.18
  5. Step 5: Solve for x
    x = 2,765,595.18/2,494.27
  6. Step 6: Final answer
    x = 1,108.78

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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.