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Finding the Fourth Proportional to 1,626.82, 2,245.04 and 963.43

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Solution

The fourth proportional to 1,626.82, 2,245.04 and 963.43 is: 1,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.82 : 2,245.04 = 963.43 : x
  2. Step 2: Convert to fraction form
    1,626.82/2,245.04 = 963.43/x
  3. Step 3: Cross multiply
    1,626.82x = 2,245.04 × 963.43
  4. Step 4: Simplify right side
    1,626.82x = 2,162,938.89
  5. Step 5: Solve for x
    x = 2,162,938.89/1,626.82
  6. Step 6: Final answer
    x = 1,329.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.