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Finding the Fourth Proportional to 2,202.76, 3,304.14 and 741.70

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Solution

The fourth proportional to 2,202.76, 3,304.14 and 741.70 is: 1,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.76 : 3,304.14 = 741.70 : x
  2. Step 2: Convert to fraction form
    2,202.76/3,304.14 = 741.70/x
  3. Step 3: Cross multiply
    2,202.76x = 3,304.14 × 741.70
  4. Step 4: Simplify right side
    2,202.76x = 2,450,680.64
  5. Step 5: Solve for x
    x = 2,450,680.64/2,202.76
  6. Step 6: Final answer
    x = 1,112.55

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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.