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Finding the Fourth Proportional to 29.33, 40.42 and 24.71

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Solution

The fourth proportional to 29.33, 40.42 and 24.71 is: 34.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.33 : 40.42 = 24.71 : x
  2. Step 2: Convert to fraction form
    29.33/40.42 = 24.71/x
  3. Step 3: Cross multiply
    29.33x = 40.42 × 24.71
  4. Step 4: Simplify right side
    29.33x = 998.78
  5. Step 5: Solve for x
    x = 998.78/29.33
  6. Step 6: Final answer
    x = 34.05

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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.