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Finding the Fourth Proportional to 22.41, 33.62 and 17.96

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Solution

The fourth proportional to 22.41, 33.62 and 17.96 is: 26.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.41 : 33.62 = 17.96 : x
  2. Step 2: Convert to fraction form
    22.41/33.62 = 17.96/x
  3. Step 3: Cross multiply
    22.41x = 33.62 × 17.96
  4. Step 4: Simplify right side
    22.41x = 603.82
  5. Step 5: Solve for x
    x = 603.82/22.41
  6. Step 6: Final answer
    x = 26.94

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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.