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Finding the Fourth Proportional to 38, 56.94 and 29.44

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Solution

The fourth proportional to 38, 56.94 and 29.44 is: 44.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38 : 56.94 = 29.44 : x
  2. Step 2: Convert to fraction form
    38/56.94 = 29.44/x
  3. Step 3: Cross multiply
    38x = 56.94 × 29.44
  4. Step 4: Simplify right side
    38x = 1,676.31
  5. Step 5: Solve for x
    x = 1,676.31/38
  6. Step 6: Final answer
    x = 44.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.