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Finding the Fourth Proportional to 1,614.36, 2,227.17 and 950.16

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Solution

The fourth proportional to 1,614.36, 2,227.17 and 950.16 is: 1,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.36 : 2,227.17 = 950.16 : x
  2. Step 2: Convert to fraction form
    1,614.36/2,227.17 = 950.16/x
  3. Step 3: Cross multiply
    1,614.36x = 2,227.17 × 950.16
  4. Step 4: Simplify right side
    1,614.36x = 2,116,167.85
  5. Step 5: Solve for x
    x = 2,116,167.85/1,614.36
  6. Step 6: Final answer
    x = 1,310.84

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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.