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Finding the Fourth Proportional to 26.52, 36.59 and 16.82

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Solution

The fourth proportional to 26.52, 36.59 and 16.82 is: 23.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.52 : 36.59 = 16.82 : x
  2. Step 2: Convert to fraction form
    26.52/36.59 = 16.82/x
  3. Step 3: Cross multiply
    26.52x = 36.59 × 16.82
  4. Step 4: Simplify right side
    26.52x = 615.44
  5. Step 5: Solve for x
    x = 615.44/26.52
  6. Step 6: Final answer
    x = 23.21

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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.