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Finding the Fourth Proportional to 24.08, 33.25 and 15.91

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Solution

The fourth proportional to 24.08, 33.25 and 15.91 is: 21.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.08 : 33.25 = 15.91 : x
  2. Step 2: Convert to fraction form
    24.08/33.25 = 15.91/x
  3. Step 3: Cross multiply
    24.08x = 33.25 × 15.91
  4. Step 4: Simplify right side
    24.08x = 529.01
  5. Step 5: Solve for x
    x = 529.01/24.08
  6. Step 6: Final answer
    x = 21.97

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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.