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Finding the Fourth Proportional to 24.71, 36.99 and 16.88

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Solution

The fourth proportional to 24.71, 36.99 and 16.88 is: 25.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.71 : 36.99 = 16.88 : x
  2. Step 2: Convert to fraction form
    24.71/36.99 = 16.88/x
  3. Step 3: Cross multiply
    24.71x = 36.99 × 16.88
  4. Step 4: Simplify right side
    24.71x = 624.21
  5. Step 5: Solve for x
    x = 624.21/24.71
  6. Step 6: Final answer
    x = 25.27

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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.