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Finding the Fourth Proportional to 24.24, 33.52 and 18.16

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Solution

The fourth proportional to 24.24, 33.52 and 18.16 is: 25.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.24 : 33.52 = 18.16 : x
  2. Step 2: Convert to fraction form
    24.24/33.52 = 18.16/x
  3. Step 3: Cross multiply
    24.24x = 33.52 × 18.16
  4. Step 4: Simplify right side
    24.24x = 608.72
  5. Step 5: Solve for x
    x = 608.72/24.24
  6. Step 6: Final answer
    x = 25.11

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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.