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Finding the Fourth Proportional to 16.93, 23.35 and 11.76

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Solution

The fourth proportional to 16.93, 23.35 and 11.76 is: 16.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.93 : 23.35 = 11.76 : x
  2. Step 2: Convert to fraction form
    16.93/23.35 = 11.76/x
  3. Step 3: Cross multiply
    16.93x = 23.35 × 11.76
  4. Step 4: Simplify right side
    16.93x = 274.60
  5. Step 5: Solve for x
    x = 274.60/16.93
  6. Step 6: Final answer
    x = 16.22

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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.