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Finding the Fourth Proportional to 23.98, 35.93 and 13.82

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Solution

The fourth proportional to 23.98, 35.93 and 13.82 is: 20.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.98 : 35.93 = 13.82 : x
  2. Step 2: Convert to fraction form
    23.98/35.93 = 13.82/x
  3. Step 3: Cross multiply
    23.98x = 35.93 × 13.82
  4. Step 4: Simplify right side
    23.98x = 496.37
  5. Step 5: Solve for x
    x = 496.37/23.98
  6. Step 6: Final answer
    x = 20.70

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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.