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Finding the Fourth Proportional to 2,294.43, 3,435.97 and 1,318.65

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Solution

The fourth proportional to 2,294.43, 3,435.97 and 1,318.65 is: 1,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.43 : 3,435.97 = 1,318.65 : x
  2. Step 2: Convert to fraction form
    2,294.43/3,435.97 = 1,318.65/x
  3. Step 3: Cross multiply
    2,294.43x = 3,435.97 × 1,318.65
  4. Step 4: Simplify right side
    2,294.43x = 4,530,841.84
  5. Step 5: Solve for x
    x = 4,530,841.84/2,294.43
  6. Step 6: Final answer
    x = 1,974.71

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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.