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Finding the Fourth Proportional to 2,864.74, 4,293.44 and 2,493

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Solution

The fourth proportional to 2,864.74, 4,293.44 and 2,493 is: 3,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.74 : 4,293.44 = 2,493 : x
  2. Step 2: Convert to fraction form
    2,864.74/4,293.44 = 2,493/x
  3. Step 3: Cross multiply
    2,864.74x = 4,293.44 × 2,493
  4. Step 4: Simplify right side
    2,864.74x = 10,703,545.92
  5. Step 5: Solve for x
    x = 10,703,545.92/2,864.74
  6. Step 6: Final answer
    x = 3,736.31

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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.