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Finding the Fourth Proportional to 24.88, 37.41 and 18.94

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Solution

The fourth proportional to 24.88, 37.41 and 18.94 is: 28.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.88 : 37.41 = 18.94 : x
  2. Step 2: Convert to fraction form
    24.88/37.41 = 18.94/x
  3. Step 3: Cross multiply
    24.88x = 37.41 × 18.94
  4. Step 4: Simplify right side
    24.88x = 708.55
  5. Step 5: Solve for x
    x = 708.55/24.88
  6. Step 6: Final answer
    x = 28.48

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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.