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Finding the Fourth Proportional to 3.22, 4.44 and 2

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Solution

The fourth proportional to 3.22, 4.44 and 2 is: 2.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.22 : 4.44 = 2 : x
  2. Step 2: Convert to fraction form
    3.22/4.44 = 2/x
  3. Step 3: Cross multiply
    3.22x = 4.44 × 2
  4. Step 4: Simplify right side
    3.22x = 8.87
  5. Step 5: Solve for x
    x = 8.87/3.22
  6. Step 6: Final answer
    x = 2.76

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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.