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Finding the Fourth Proportional to 2,294.92, 3,167 and 1,246.96

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Solution

The fourth proportional to 2,294.92, 3,167 and 1,246.96 is: 1,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.92 : 3,167 = 1,246.96 : x
  2. Step 2: Convert to fraction form
    2,294.92/3,167 = 1,246.96/x
  3. Step 3: Cross multiply
    2,294.92x = 3,167 × 1,246.96
  4. Step 4: Simplify right side
    2,294.92x = 3,949,122.32
  5. Step 5: Solve for x
    x = 3,949,122.32/2,294.92
  6. Step 6: Final answer
    x = 1,720.81

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Why These Related Problems?

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