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Finding the Fourth Proportional to 26.15, 36.05 and 24.62

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Solution

The fourth proportional to 26.15, 36.05 and 24.62 is: 33.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.15 : 36.05 = 24.62 : x
  2. Step 2: Convert to fraction form
    26.15/36.05 = 24.62/x
  3. Step 3: Cross multiply
    26.15x = 36.05 × 24.62
  4. Step 4: Simplify right side
    26.15x = 887.25
  5. Step 5: Solve for x
    x = 887.25/26.15
  6. Step 6: Final answer
    x = 33.94

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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.