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Finding the Fourth Proportional to 24.84, 34.24 and 19.96

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Solution

The fourth proportional to 24.84, 34.24 and 19.96 is: 27.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.84 : 34.24 = 19.96 : x
  2. Step 2: Convert to fraction form
    24.84/34.24 = 19.96/x
  3. Step 3: Cross multiply
    24.84x = 34.24 × 19.96
  4. Step 4: Simplify right side
    24.84x = 683.43
  5. Step 5: Solve for x
    x = 683.43/24.84
  6. Step 6: Final answer
    x = 27.51

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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.