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Finding the Fourth Proportional to 32.67, 49.01 and 8.62

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Solution

The fourth proportional to 32.67, 49.01 and 8.62 is: 12.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.67 : 49.01 = 8.62 : x
  2. Step 2: Convert to fraction form
    32.67/49.01 = 8.62/x
  3. Step 3: Cross multiply
    32.67x = 49.01 × 8.62
  4. Step 4: Simplify right side
    32.67x = 422.58
  5. Step 5: Solve for x
    x = 422.58/32.67
  6. Step 6: Final answer
    x = 12.93

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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.