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Finding the Fourth Proportional to 54.83, 82.26 and 22.33

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Solution

The fourth proportional to 54.83, 82.26 and 22.33 is: 33.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.83 : 82.26 = 22.33 : x
  2. Step 2: Convert to fraction form
    54.83/82.26 = 22.33/x
  3. Step 3: Cross multiply
    54.83x = 82.26 × 22.33
  4. Step 4: Simplify right side
    54.83x = 1,836.87
  5. Step 5: Solve for x
    x = 1,836.87/54.83
  6. Step 6: Final answer
    x = 33.50

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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.