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Finding the Fourth Proportional to 29.41, 44.11 and 13.38

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Solution

The fourth proportional to 29.41, 44.11 and 13.38 is: 20.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.41 : 44.11 = 13.38 : x
  2. Step 2: Convert to fraction form
    29.41/44.11 = 13.38/x
  3. Step 3: Cross multiply
    29.41x = 44.11 × 13.38
  4. Step 4: Simplify right side
    29.41x = 590.19
  5. Step 5: Solve for x
    x = 590.19/29.41
  6. Step 6: Final answer
    x = 20.07

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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.