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Finding the Fourth Proportional to 32.71, 49.02 and 16.66

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Solution

The fourth proportional to 32.71, 49.02 and 16.66 is: 24.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.71 : 49.02 = 16.66 : x
  2. Step 2: Convert to fraction form
    32.71/49.02 = 16.66/x
  3. Step 3: Cross multiply
    32.71x = 49.02 × 16.66
  4. Step 4: Simplify right side
    32.71x = 816.67
  5. Step 5: Solve for x
    x = 816.67/32.71
  6. Step 6: Final answer
    x = 24.97

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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.