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Finding the Fourth Proportional to 24.24, 33.48 and 19.41

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Solution

The fourth proportional to 24.24, 33.48 and 19.41 is: 26.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.24 : 33.48 = 19.41 : x
  2. Step 2: Convert to fraction form
    24.24/33.48 = 19.41/x
  3. Step 3: Cross multiply
    24.24x = 33.48 × 19.41
  4. Step 4: Simplify right side
    24.24x = 649.85
  5. Step 5: Solve for x
    x = 649.85/24.24
  6. Step 6: Final answer
    x = 26.81

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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.