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Finding the Fourth Proportional to 26.04, 35.90 and 22.76

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Solution

The fourth proportional to 26.04, 35.90 and 22.76 is: 31.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.04 : 35.90 = 22.76 : x
  2. Step 2: Convert to fraction form
    26.04/35.90 = 22.76/x
  3. Step 3: Cross multiply
    26.04x = 35.90 × 22.76
  4. Step 4: Simplify right side
    26.04x = 817.08
  5. Step 5: Solve for x
    x = 817.08/26.04
  6. Step 6: Final answer
    x = 31.38

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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.