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Finding the Fourth Proportional to 26.52, 36.43 and 26.43

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Solution

The fourth proportional to 26.52, 36.43 and 26.43 is: 36.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.52 : 36.43 = 26.43 : x
  2. Step 2: Convert to fraction form
    26.52/36.43 = 26.43/x
  3. Step 3: Cross multiply
    26.52x = 36.43 × 26.43
  4. Step 4: Simplify right side
    26.52x = 962.84
  5. Step 5: Solve for x
    x = 962.84/26.52
  6. Step 6: Final answer
    x = 36.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.