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Finding the Fourth Proportional to 22.33, 33.28 and 22.26

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Solution

The fourth proportional to 22.33, 33.28 and 22.26 is: 33.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.33 : 33.28 = 22.26 : x
  2. Step 2: Convert to fraction form
    22.33/33.28 = 22.26/x
  3. Step 3: Cross multiply
    22.33x = 33.28 × 22.26
  4. Step 4: Simplify right side
    22.33x = 740.81
  5. Step 5: Solve for x
    x = 740.81/22.33
  6. Step 6: Final answer
    x = 33.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.