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Finding the Fourth Proportional to 2,264.46, 3,395.31 and 876.62

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Solution

The fourth proportional to 2,264.46, 3,395.31 and 876.62 is: 1,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.46 : 3,395.31 = 876.62 : x
  2. Step 2: Convert to fraction form
    2,264.46/3,395.31 = 876.62/x
  3. Step 3: Cross multiply
    2,264.46x = 3,395.31 × 876.62
  4. Step 4: Simplify right side
    2,264.46x = 2,976,396.65
  5. Step 5: Solve for x
    x = 2,976,396.65/2,264.46
  6. Step 6: Final answer
    x = 1,314.40

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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.