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Finding the Fourth Proportional to 24.08, 33.19 and 16.31

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Solution

The fourth proportional to 24.08, 33.19 and 16.31 is: 22.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.08 : 33.19 = 16.31 : x
  2. Step 2: Convert to fraction form
    24.08/33.19 = 16.31/x
  3. Step 3: Cross multiply
    24.08x = 33.19 × 16.31
  4. Step 4: Simplify right side
    24.08x = 541.12
  5. Step 5: Solve for x
    x = 541.12/24.08
  6. Step 6: Final answer
    x = 22.48

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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.