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Finding the Fourth Proportional to 2,251.64, 3,377.66 and 608.15

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Solution

The fourth proportional to 2,251.64, 3,377.66 and 608.15 is: 912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.64 : 3,377.66 = 608.15 : x
  2. Step 2: Convert to fraction form
    2,251.64/3,377.66 = 608.15/x
  3. Step 3: Cross multiply
    2,251.64x = 3,377.66 × 608.15
  4. Step 4: Simplify right side
    2,251.64x = 2,054,129.33
  5. Step 5: Solve for x
    x = 2,054,129.33/2,251.64
  6. Step 6: Final answer
    x = 912.28

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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.