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Finding the Fourth Proportional to 2,644.92, 3,966.66 and 914.04

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Solution

The fourth proportional to 2,644.92, 3,966.66 and 914.04 is: 1,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.92 : 3,966.66 = 914.04 : x
  2. Step 2: Convert to fraction form
    2,644.92/3,966.66 = 914.04/x
  3. Step 3: Cross multiply
    2,644.92x = 3,966.66 × 914.04
  4. Step 4: Simplify right side
    2,644.92x = 3,625,685.91
  5. Step 5: Solve for x
    x = 3,625,685.91/2,644.92
  6. Step 6: Final answer
    x = 1,370.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.