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Finding the Fourth Proportional to 16.54, 22.67 and 16.30

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Solution

The fourth proportional to 16.54, 22.67 and 16.30 is: 22.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.54 : 22.67 = 16.30 : x
  2. Step 2: Convert to fraction form
    16.54/22.67 = 16.30/x
  3. Step 3: Cross multiply
    16.54x = 22.67 × 16.30
  4. Step 4: Simplify right side
    16.54x = 369.52
  5. Step 5: Solve for x
    x = 369.52/16.54
  6. Step 6: Final answer
    x = 22.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.