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Finding the Fourth Proportional to 3,934.96, 5,902.22 and 1,013.42

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Solution

The fourth proportional to 3,934.96, 5,902.22 and 1,013.42 is: 1,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.96 : 5,902.22 = 1,013.42 : x
  2. Step 2: Convert to fraction form
    3,934.96/5,902.22 = 1,013.42/x
  3. Step 3: Cross multiply
    3,934.96x = 5,902.22 × 1,013.42
  4. Step 4: Simplify right side
    3,934.96x = 5,981,427.79
  5. Step 5: Solve for x
    x = 5,981,427.79/3,934.96
  6. Step 6: Final answer
    x = 1,520.07

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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.