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Finding the Fourth Proportional to 24.05, 33.21 and 18.59

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Solution

The fourth proportional to 24.05, 33.21 and 18.59 is: 25.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.05 : 33.21 = 18.59 : x
  2. Step 2: Convert to fraction form
    24.05/33.21 = 18.59/x
  3. Step 3: Cross multiply
    24.05x = 33.21 × 18.59
  4. Step 4: Simplify right side
    24.05x = 617.21
  5. Step 5: Solve for x
    x = 617.21/24.05
  6. Step 6: Final answer
    x = 25.66

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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.