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Finding the Fourth Proportional to 26.50, 36.35 and 26.26

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Solution

The fourth proportional to 26.50, 36.35 and 26.26 is: 36.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.50 : 36.35 = 26.26 : x
  2. Step 2: Convert to fraction form
    26.50/36.35 = 26.26/x
  3. Step 3: Cross multiply
    26.50x = 36.35 × 26.26
  4. Step 4: Simplify right side
    26.50x = 954.55
  5. Step 5: Solve for x
    x = 954.55/26.50
  6. Step 6: Final answer
    x = 36.02

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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.