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Finding the Fourth Proportional to 24.92, 37.34 and 18.80

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Solution

The fourth proportional to 24.92, 37.34 and 18.80 is: 28.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.92 : 37.34 = 18.80 : x
  2. Step 2: Convert to fraction form
    24.92/37.34 = 18.80/x
  3. Step 3: Cross multiply
    24.92x = 37.34 × 18.80
  4. Step 4: Simplify right side
    24.92x = 701.99
  5. Step 5: Solve for x
    x = 701.99/24.92
  6. Step 6: Final answer
    x = 28.17

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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.