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Finding the Fourth Proportional to 3.49, 4.82 and 2.52

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Solution

The fourth proportional to 3.49, 4.82 and 2.52 is: 3.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.49 : 4.82 = 2.52 : x
  2. Step 2: Convert to fraction form
    3.49/4.82 = 2.52/x
  3. Step 3: Cross multiply
    3.49x = 4.82 × 2.52
  4. Step 4: Simplify right side
    3.49x = 12.16
  5. Step 5: Solve for x
    x = 12.16/3.49
  6. Step 6: Final answer
    x = 3.48

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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.