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Finding the Fourth Proportional to 37.11, 55.67 and 11.44

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Solution

The fourth proportional to 37.11, 55.67 and 11.44 is: 17.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.11 : 55.67 = 11.44 : x
  2. Step 2: Convert to fraction form
    37.11/55.67 = 11.44/x
  3. Step 3: Cross multiply
    37.11x = 55.67 × 11.44
  4. Step 4: Simplify right side
    37.11x = 636.75
  5. Step 5: Solve for x
    x = 636.75/37.11
  6. Step 6: Final answer
    x = 17.16

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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.