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Finding the Fourth Proportional to 26.59, 36.64 and 22.48

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Solution

The fourth proportional to 26.59, 36.64 and 22.48 is: 30.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.59 : 36.64 = 22.48 : x
  2. Step 2: Convert to fraction form
    26.59/36.64 = 22.48/x
  3. Step 3: Cross multiply
    26.59x = 36.64 × 22.48
  4. Step 4: Simplify right side
    26.59x = 823.67
  5. Step 5: Solve for x
    x = 823.67/26.59
  6. Step 6: Final answer
    x = 30.98

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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.