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Finding the Fourth Proportional to 2,473.44, 3,710.04 and 742

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Solution

The fourth proportional to 2,473.44, 3,710.04 and 742 is: 1,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.44 : 3,710.04 = 742 : x
  2. Step 2: Convert to fraction form
    2,473.44/3,710.04 = 742/x
  3. Step 3: Cross multiply
    2,473.44x = 3,710.04 × 742
  4. Step 4: Simplify right side
    2,473.44x = 2,752,849.68
  5. Step 5: Solve for x
    x = 2,752,849.68/2,473.44
  6. Step 6: Final answer
    x = 1,112.96

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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.