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Finding the Fourth Proportional to 16.95, 23.37 and 10.47

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Solution

The fourth proportional to 16.95, 23.37 and 10.47 is: 14.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.95 : 23.37 = 10.47 : x
  2. Step 2: Convert to fraction form
    16.95/23.37 = 10.47/x
  3. Step 3: Cross multiply
    16.95x = 23.37 × 10.47
  4. Step 4: Simplify right side
    16.95x = 244.68
  5. Step 5: Solve for x
    x = 244.68/16.95
  6. Step 6: Final answer
    x = 14.44

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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.