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Finding the Fourth Proportional to 24.49, 36.66 and 16.84

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Solution

The fourth proportional to 24.49, 36.66 and 16.84 is: 25.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.49 : 36.66 = 16.84 : x
  2. Step 2: Convert to fraction form
    24.49/36.66 = 16.84/x
  3. Step 3: Cross multiply
    24.49x = 36.66 × 16.84
  4. Step 4: Simplify right side
    24.49x = 617.35
  5. Step 5: Solve for x
    x = 617.35/24.49
  6. Step 6: Final answer
    x = 25.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.