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Finding the Fourth Proportional to 24.23, 36.36 and 18.22

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Solution

The fourth proportional to 24.23, 36.36 and 18.22 is: 27.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.23 : 36.36 = 18.22 : x
  2. Step 2: Convert to fraction form
    24.23/36.36 = 18.22/x
  3. Step 3: Cross multiply
    24.23x = 36.36 × 18.22
  4. Step 4: Simplify right side
    24.23x = 662.39
  5. Step 5: Solve for x
    x = 662.39/24.23
  6. Step 6: Final answer
    x = 27.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.