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Finding the Fourth Proportional to 4.31, 5.92 and 4.14

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Solution

The fourth proportional to 4.31, 5.92 and 4.14 is: 5.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.31 : 5.92 = 4.14 : x
  2. Step 2: Convert to fraction form
    4.31/5.92 = 4.14/x
  3. Step 3: Cross multiply
    4.31x = 5.92 × 4.14
  4. Step 4: Simplify right side
    4.31x = 24.49
  5. Step 5: Solve for x
    x = 24.49/4.31
  6. Step 6: Final answer
    x = 5.69

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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.