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Finding the Fourth Proportional to 16.93, 22.85 and 16.93

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Solution

The fourth proportional to 16.93, 22.85 and 16.93 is: 22.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.93 : 22.85 = 16.93 : x
  2. Step 2: Convert to fraction form
    16.93/22.85 = 16.93/x
  3. Step 3: Cross multiply
    16.93x = 22.85 × 16.93
  4. Step 4: Simplify right side
    16.93x = 386.85
  5. Step 5: Solve for x
    x = 386.85/16.93
  6. Step 6: Final answer
    x = 22.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.