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Finding the Fourth Proportional to 22.35, 33.46 and 16.28

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Solution

The fourth proportional to 22.35, 33.46 and 16.28 is: 24.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.35 : 33.46 = 16.28 : x
  2. Step 2: Convert to fraction form
    22.35/33.46 = 16.28/x
  3. Step 3: Cross multiply
    22.35x = 33.46 × 16.28
  4. Step 4: Simplify right side
    22.35x = 544.52
  5. Step 5: Solve for x
    x = 544.52/22.35
  6. Step 6: Final answer
    x = 24.36

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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.