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Finding the Fourth Proportional to 36, 54.02 and 26.94

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Solution

The fourth proportional to 36, 54.02 and 26.94 is: 40.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36 : 54.02 = 26.94 : x
  2. Step 2: Convert to fraction form
    36/54.02 = 26.94/x
  3. Step 3: Cross multiply
    36x = 54.02 × 26.94
  4. Step 4: Simplify right side
    36x = 1,455.16
  5. Step 5: Solve for x
    x = 1,455.16/36
  6. Step 6: Final answer
    x = 40.42

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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.