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Finding the Fourth Proportional to 24.60, 33.92 and 24.05

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Solution

The fourth proportional to 24.60, 33.92 and 24.05 is: 33.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.60 : 33.92 = 24.05 : x
  2. Step 2: Convert to fraction form
    24.60/33.92 = 24.05/x
  3. Step 3: Cross multiply
    24.60x = 33.92 × 24.05
  4. Step 4: Simplify right side
    24.60x = 815.61
  5. Step 5: Solve for x
    x = 815.61/24.60
  6. Step 6: Final answer
    x = 33.15

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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.