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Finding the Fourth Proportional to 18.52, 25.56 and 14.44

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Solution

The fourth proportional to 18.52, 25.56 and 14.44 is: 19.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.52 : 25.56 = 14.44 : x
  2. Step 2: Convert to fraction form
    18.52/25.56 = 14.44/x
  3. Step 3: Cross multiply
    18.52x = 25.56 × 14.44
  4. Step 4: Simplify right side
    18.52x = 369.09
  5. Step 5: Solve for x
    x = 369.09/18.52
  6. Step 6: Final answer
    x = 19.93

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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.