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Finding the Fourth Proportional to 22.04, 33.23 and 18.52

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Solution

The fourth proportional to 22.04, 33.23 and 18.52 is: 27.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.04 : 33.23 = 18.52 : x
  2. Step 2: Convert to fraction form
    22.04/33.23 = 18.52/x
  3. Step 3: Cross multiply
    22.04x = 33.23 × 18.52
  4. Step 4: Simplify right side
    22.04x = 615.42
  5. Step 5: Solve for x
    x = 615.42/22.04
  6. Step 6: Final answer
    x = 27.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.