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Finding the Fourth Proportional to 24.94, 34.44 and 18.87

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Solution

The fourth proportional to 24.94, 34.44 and 18.87 is: 26.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.94 : 34.44 = 18.87 : x
  2. Step 2: Convert to fraction form
    24.94/34.44 = 18.87/x
  3. Step 3: Cross multiply
    24.94x = 34.44 × 18.87
  4. Step 4: Simplify right side
    24.94x = 649.88
  5. Step 5: Solve for x
    x = 649.88/24.94
  6. Step 6: Final answer
    x = 26.06

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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.