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Finding the Fourth Proportional to 26.26, 36.30 and 26.03

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Solution

The fourth proportional to 26.26, 36.30 and 26.03 is: 35.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.26 : 36.30 = 26.03 : x
  2. Step 2: Convert to fraction form
    26.26/36.30 = 26.03/x
  3. Step 3: Cross multiply
    26.26x = 36.30 × 26.03
  4. Step 4: Simplify right side
    26.26x = 944.89
  5. Step 5: Solve for x
    x = 944.89/26.26
  6. Step 6: Final answer
    x = 35.98

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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.