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Finding the Fourth Proportional to 26.01, 35.85 and 22.35

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Solution

The fourth proportional to 26.01, 35.85 and 22.35 is: 30.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.01 : 35.85 = 22.35 : x
  2. Step 2: Convert to fraction form
    26.01/35.85 = 22.35/x
  3. Step 3: Cross multiply
    26.01x = 35.85 × 22.35
  4. Step 4: Simplify right side
    26.01x = 801.25
  5. Step 5: Solve for x
    x = 801.25/26.01
  6. Step 6: Final answer
    x = 30.81

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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.