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Finding the Fourth Proportional to 3.11, 4.66 and 2.44

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Solution

The fourth proportional to 3.11, 4.66 and 2.44 is: 3.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.11 : 4.66 = 2.44 : x
  2. Step 2: Convert to fraction form
    3.11/4.66 = 2.44/x
  3. Step 3: Cross multiply
    3.11x = 4.66 × 2.44
  4. Step 4: Simplify right side
    3.11x = 11.35
  5. Step 5: Solve for x
    x = 11.35/3.11
  6. Step 6: Final answer
    x = 3.65

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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.