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Finding the Fourth Proportional to 18.44, 25.44 and 18.08

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Solution

The fourth proportional to 18.44, 25.44 and 18.08 is: 24.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.44 : 25.44 = 18.08 : x
  2. Step 2: Convert to fraction form
    18.44/25.44 = 18.08/x
  3. Step 3: Cross multiply
    18.44x = 25.44 × 18.08
  4. Step 4: Simplify right side
    18.44x = 459.96
  5. Step 5: Solve for x
    x = 459.96/18.44
  6. Step 6: Final answer
    x = 24.94

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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.