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Finding the Fourth Proportional to 3.41, 4.68 and 3.22

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Solution

The fourth proportional to 3.41, 4.68 and 3.22 is: 4.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.41 : 4.68 = 3.22 : x
  2. Step 2: Convert to fraction form
    3.41/4.68 = 3.22/x
  3. Step 3: Cross multiply
    3.41x = 4.68 × 3.22
  4. Step 4: Simplify right side
    3.41x = 15.06
  5. Step 5: Solve for x
    x = 15.06/3.41
  6. Step 6: Final answer
    x = 4.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.