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Finding the Fourth Proportional to 26, 35.84 and 23.68

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Solution

The fourth proportional to 26, 35.84 and 23.68 is: 32.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26 : 35.84 = 23.68 : x
  2. Step 2: Convert to fraction form
    26/35.84 = 23.68/x
  3. Step 3: Cross multiply
    26x = 35.84 × 23.68
  4. Step 4: Simplify right side
    26x = 848.69
  5. Step 5: Solve for x
    x = 848.69/26
  6. Step 6: Final answer
    x = 32.64

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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.