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Finding the Fourth Proportional to 16.75, 25.07 and 11.02

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Solution

The fourth proportional to 16.75, 25.07 and 11.02 is: 16.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.75 : 25.07 = 11.02 : x
  2. Step 2: Convert to fraction form
    16.75/25.07 = 11.02/x
  3. Step 3: Cross multiply
    16.75x = 25.07 × 11.02
  4. Step 4: Simplify right side
    16.75x = 276.27
  5. Step 5: Solve for x
    x = 276.27/16.75
  6. Step 6: Final answer
    x = 16.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.