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Finding the Fourth Proportional to 23.61, 35.34 and 16.82

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Solution

The fourth proportional to 23.61, 35.34 and 16.82 is: 25.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.61 : 35.34 = 16.82 : x
  2. Step 2: Convert to fraction form
    23.61/35.34 = 16.82/x
  3. Step 3: Cross multiply
    23.61x = 35.34 × 16.82
  4. Step 4: Simplify right side
    23.61x = 594.51
  5. Step 5: Solve for x
    x = 594.51/23.61
  6. Step 6: Final answer
    x = 25.18

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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.