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Finding the Fourth Proportional to 2,367.11, 3,553.04 and 981.26

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Solution

The fourth proportional to 2,367.11, 3,553.04 and 981.26 is: 1,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.11 : 3,553.04 = 981.26 : x
  2. Step 2: Convert to fraction form
    2,367.11/3,553.04 = 981.26/x
  3. Step 3: Cross multiply
    2,367.11x = 3,553.04 × 981.26
  4. Step 4: Simplify right side
    2,367.11x = 3,486,451.12
  5. Step 5: Solve for x
    x = 3,486,451.12/2,367.11
  6. Step 6: Final answer
    x = 1,472.87

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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.