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Finding the Fourth Proportional to 32.79, 49.17 and 11.41

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Solution

The fourth proportional to 32.79, 49.17 and 11.41 is: 17.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.79 : 49.17 = 11.41 : x
  2. Step 2: Convert to fraction form
    32.79/49.17 = 11.41/x
  3. Step 3: Cross multiply
    32.79x = 49.17 × 11.41
  4. Step 4: Simplify right side
    32.79x = 561.03
  5. Step 5: Solve for x
    x = 561.03/32.79
  6. Step 6: Final answer
    x = 17.11

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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.