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Finding the Fourth Proportional to 4.44, 6.11 and 3.22

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Solution

The fourth proportional to 4.44, 6.11 and 3.22 is: 4.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.44 : 6.11 = 3.22 : x
  2. Step 2: Convert to fraction form
    4.44/6.11 = 3.22/x
  3. Step 3: Cross multiply
    4.44x = 6.11 × 3.22
  4. Step 4: Simplify right side
    4.44x = 19.69
  5. Step 5: Solve for x
    x = 19.69/4.44
  6. Step 6: Final answer
    x = 4.44

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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.