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Finding the Fourth Proportional to 4.38, 6.06 and 4.17

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Solution

The fourth proportional to 4.38, 6.06 and 4.17 is: 5.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.38 : 6.06 = 4.17 : x
  2. Step 2: Convert to fraction form
    4.38/6.06 = 4.17/x
  3. Step 3: Cross multiply
    4.38x = 6.06 × 4.17
  4. Step 4: Simplify right side
    4.38x = 25.27
  5. Step 5: Solve for x
    x = 25.27/4.38
  6. Step 6: Final answer
    x = 5.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.