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Finding the Fourth Proportional to 26.95, 40.35 and 22.88

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Solution

The fourth proportional to 26.95, 40.35 and 22.88 is: 34.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.95 : 40.35 = 22.88 : x
  2. Step 2: Convert to fraction form
    26.95/40.35 = 22.88/x
  3. Step 3: Cross multiply
    26.95x = 40.35 × 22.88
  4. Step 4: Simplify right side
    26.95x = 923.01
  5. Step 5: Solve for x
    x = 923.01/26.95
  6. Step 6: Final answer
    x = 34.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.