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Finding the Fourth Proportional to 26.52, 36.62 and 19.22

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Solution

The fourth proportional to 26.52, 36.62 and 19.22 is: 26.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.52 : 36.62 = 19.22 : x
  2. Step 2: Convert to fraction form
    26.52/36.62 = 19.22/x
  3. Step 3: Cross multiply
    26.52x = 36.62 × 19.22
  4. Step 4: Simplify right side
    26.52x = 703.84
  5. Step 5: Solve for x
    x = 703.84/26.52
  6. Step 6: Final answer
    x = 26.54

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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.