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Finding the Fourth Proportional to 2.38, 3.54 and 2.33

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Solution

The fourth proportional to 2.38, 3.54 and 2.33 is: 3.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.38 : 3.54 = 2.33 : x
  2. Step 2: Convert to fraction form
    2.38/3.54 = 2.33/x
  3. Step 3: Cross multiply
    2.38x = 3.54 × 2.33
  4. Step 4: Simplify right side
    2.38x = 8.25
  5. Step 5: Solve for x
    x = 8.25/2.38
  6. Step 6: Final answer
    x = 3.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.