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Finding the Fourth Proportional to 22, 33 and 19.04

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Solution

The fourth proportional to 22, 33 and 19.04 is: 28.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22 : 33 = 19.04 : x
  2. Step 2: Convert to fraction form
    22/33 = 19.04/x
  3. Step 3: Cross multiply
    22x = 33 × 19.04
  4. Step 4: Simplify right side
    22x = 628.32
  5. Step 5: Solve for x
    x = 628.32/22
  6. Step 6: Final answer
    x = 28.56

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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.