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Finding the Fourth Proportional to 6.73, 9.29 and 4.31

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Solution

The fourth proportional to 6.73, 9.29 and 4.31 is: 5.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.73 : 9.29 = 4.31 : x
  2. Step 2: Convert to fraction form
    6.73/9.29 = 4.31/x
  3. Step 3: Cross multiply
    6.73x = 9.29 × 4.31
  4. Step 4: Simplify right side
    6.73x = 39.97
  5. Step 5: Solve for x
    x = 39.97/6.73
  6. Step 6: Final answer
    x = 5.94

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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.