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Finding the Fourth Proportional to 24.52, 33.83 and 13.60

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Solution

The fourth proportional to 24.52, 33.83 and 13.60 is: 18.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.52 : 33.83 = 13.60 : x
  2. Step 2: Convert to fraction form
    24.52/33.83 = 13.60/x
  3. Step 3: Cross multiply
    24.52x = 33.83 × 13.60
  4. Step 4: Simplify right side
    24.52x = 460.16
  5. Step 5: Solve for x
    x = 460.16/24.52
  6. Step 6: Final answer
    x = 18.77

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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.