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Finding the Fourth Proportional to 2,614.56, 3,916.44 and 2,095.44

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Solution

The fourth proportional to 2,614.56, 3,916.44 and 2,095.44 is: 3,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.56 : 3,916.44 = 2,095.44 : x
  2. Step 2: Convert to fraction form
    2,614.56/3,916.44 = 2,095.44/x
  3. Step 3: Cross multiply
    2,614.56x = 3,916.44 × 2,095.44
  4. Step 4: Simplify right side
    2,614.56x = 8,206,665.03
  5. Step 5: Solve for x
    x = 8,206,665.03/2,614.56
  6. Step 6: Final answer
    x = 3,138.83

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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.