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Finding the Fourth Proportional to 1,614.48, 2,227.92 and 951.66

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Solution

The fourth proportional to 1,614.48, 2,227.92 and 951.66 is: 1,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.48 : 2,227.92 = 951.66 : x
  2. Step 2: Convert to fraction form
    1,614.48/2,227.92 = 951.66/x
  3. Step 3: Cross multiply
    1,614.48x = 2,227.92 × 951.66
  4. Step 4: Simplify right side
    1,614.48x = 2,120,222.35
  5. Step 5: Solve for x
    x = 2,120,222.35/1,614.48
  6. Step 6: Final answer
    x = 1,313.25

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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.