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Finding the Fourth Proportional to 15.44, 23.15 and 9.41

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Solution

The fourth proportional to 15.44, 23.15 and 9.41 is: 14.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.44 : 23.15 = 9.41 : x
  2. Step 2: Convert to fraction form
    15.44/23.15 = 9.41/x
  3. Step 3: Cross multiply
    15.44x = 23.15 × 9.41
  4. Step 4: Simplify right side
    15.44x = 217.75
  5. Step 5: Solve for x
    x = 217.75/15.44
  6. Step 6: Final answer
    x = 14.11

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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.