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Finding the Fourth Proportional to 26.06, 35.64 and 25.79

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Solution

The fourth proportional to 26.06, 35.64 and 25.79 is: 35.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.06 : 35.64 = 25.79 : x
  2. Step 2: Convert to fraction form
    26.06/35.64 = 25.79/x
  3. Step 3: Cross multiply
    26.06x = 35.64 × 25.79
  4. Step 4: Simplify right side
    26.06x = 918.98
  5. Step 5: Solve for x
    x = 918.98/26.06
  6. Step 6: Final answer
    x = 35.27

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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.