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Finding the Fourth Proportional to 3.43, 4.73 and 3.29

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Solution

The fourth proportional to 3.43, 4.73 and 3.29 is: 4.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.43 : 4.73 = 3.29 : x
  2. Step 2: Convert to fraction form
    3.43/4.73 = 3.29/x
  3. Step 3: Cross multiply
    3.43x = 4.73 × 3.29
  4. Step 4: Simplify right side
    3.43x = 15.56
  5. Step 5: Solve for x
    x = 15.56/3.43
  6. Step 6: Final answer
    x = 4.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.