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Finding the Fourth Proportional to 24.58, 33.87 and 19.38

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Solution

The fourth proportional to 24.58, 33.87 and 19.38 is: 26.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.58 : 33.87 = 19.38 : x
  2. Step 2: Convert to fraction form
    24.58/33.87 = 19.38/x
  3. Step 3: Cross multiply
    24.58x = 33.87 × 19.38
  4. Step 4: Simplify right side
    24.58x = 656.30
  5. Step 5: Solve for x
    x = 656.30/24.58
  6. Step 6: Final answer
    x = 26.71

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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.