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Finding the Fourth Proportional to 16.95, 23.37 and 12.63

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Solution

The fourth proportional to 16.95, 23.37 and 12.63 is: 17.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.95 : 23.37 = 12.63 : x
  2. Step 2: Convert to fraction form
    16.95/23.37 = 12.63/x
  3. Step 3: Cross multiply
    16.95x = 23.37 × 12.63
  4. Step 4: Simplify right side
    16.95x = 295.16
  5. Step 5: Solve for x
    x = 295.16/16.95
  6. Step 6: Final answer
    x = 17.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.