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Finding the Fourth Proportional to 24.10, 33.25 and 14.39

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Solution

The fourth proportional to 24.10, 33.25 and 14.39 is: 19.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.10 : 33.25 = 14.39 : x
  2. Step 2: Convert to fraction form
    24.10/33.25 = 14.39/x
  3. Step 3: Cross multiply
    24.10x = 33.25 × 14.39
  4. Step 4: Simplify right side
    24.10x = 478.47
  5. Step 5: Solve for x
    x = 478.47/24.10
  6. Step 6: Final answer
    x = 19.85

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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.