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Finding the Fourth Proportional to 22.27, 33.35 and 10.84

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Solution

The fourth proportional to 22.27, 33.35 and 10.84 is: 16.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.27 : 33.35 = 10.84 : x
  2. Step 2: Convert to fraction form
    22.27/33.35 = 10.84/x
  3. Step 3: Cross multiply
    22.27x = 33.35 × 10.84
  4. Step 4: Simplify right side
    22.27x = 361.51
  5. Step 5: Solve for x
    x = 361.51/22.27
  6. Step 6: Final answer
    x = 16.23

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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.