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Finding the Fourth Proportional to 16.93, 25.26 and 15.77

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Solution

The fourth proportional to 16.93, 25.26 and 15.77 is: 23.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.93 : 25.26 = 15.77 : x
  2. Step 2: Convert to fraction form
    16.93/25.26 = 15.77/x
  3. Step 3: Cross multiply
    16.93x = 25.26 × 15.77
  4. Step 4: Simplify right side
    16.93x = 398.35
  5. Step 5: Solve for x
    x = 398.35/16.93
  6. Step 6: Final answer
    x = 23.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.