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Finding the Fourth Proportional to 18.10, 24.94 and 14.44

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Solution

The fourth proportional to 18.10, 24.94 and 14.44 is: 19.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.10 : 24.94 = 14.44 : x
  2. Step 2: Convert to fraction form
    18.10/24.94 = 14.44/x
  3. Step 3: Cross multiply
    18.10x = 24.94 × 14.44
  4. Step 4: Simplify right side
    18.10x = 360.13
  5. Step 5: Solve for x
    x = 360.13/18.10
  6. Step 6: Final answer
    x = 19.90

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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.