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Finding the Fourth Proportional to 2,251.93, 3,377.89 and 608.47

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Solution

The fourth proportional to 2,251.93, 3,377.89 and 608.47 is: 912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.93 : 3,377.89 = 608.47 : x
  2. Step 2: Convert to fraction form
    2,251.93/3,377.89 = 608.47/x
  3. Step 3: Cross multiply
    2,251.93x = 3,377.89 × 608.47
  4. Step 4: Simplify right side
    2,251.93x = 2,055,344.73
  5. Step 5: Solve for x
    x = 2,055,344.73/2,251.93
  6. Step 6: Final answer
    x = 912.70

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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.