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Finding the Fourth Proportional to 32.82, 49.15 and 16.75

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Solution

The fourth proportional to 32.82, 49.15 and 16.75 is: 25.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.82 : 49.15 = 16.75 : x
  2. Step 2: Convert to fraction form
    32.82/49.15 = 16.75/x
  3. Step 3: Cross multiply
    32.82x = 49.15 × 16.75
  4. Step 4: Simplify right side
    32.82x = 823.26
  5. Step 5: Solve for x
    x = 823.26/32.82
  6. Step 6: Final answer
    x = 25.08

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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.