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Finding the Fourth Proportional to 26.92, 40.35 and 24.15

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Solution

The fourth proportional to 26.92, 40.35 and 24.15 is: 36.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.92 : 40.35 = 24.15 : x
  2. Step 2: Convert to fraction form
    26.92/40.35 = 24.15/x
  3. Step 3: Cross multiply
    26.92x = 40.35 × 24.15
  4. Step 4: Simplify right side
    26.92x = 974.33
  5. Step 5: Solve for x
    x = 974.33/26.92
  6. Step 6: Final answer
    x = 36.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.