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Finding the Fourth Proportional to 26.73, 36.75 and 23.79

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Solution

The fourth proportional to 26.73, 36.75 and 23.79 is: 32.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.73 : 36.75 = 23.79 : x
  2. Step 2: Convert to fraction form
    26.73/36.75 = 23.79/x
  3. Step 3: Cross multiply
    26.73x = 36.75 × 23.79
  4. Step 4: Simplify right side
    26.73x = 874.51
  5. Step 5: Solve for x
    x = 874.51/26.73
  6. Step 6: Final answer
    x = 32.72

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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.