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Finding the Fourth Proportional to 32.67, 48.99 and 11.29

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Solution

The fourth proportional to 32.67, 48.99 and 11.29 is: 16.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.67 : 48.99 = 11.29 : x
  2. Step 2: Convert to fraction form
    32.67/48.99 = 11.29/x
  3. Step 3: Cross multiply
    32.67x = 48.99 × 11.29
  4. Step 4: Simplify right side
    32.67x = 553.10
  5. Step 5: Solve for x
    x = 553.10/32.67
  6. Step 6: Final answer
    x = 16.93

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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.