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Finding the Fourth Proportional to 32.69, 49.04 and 11.31

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Solution

The fourth proportional to 32.69, 49.04 and 11.31 is: 16.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.69 : 49.04 = 11.31 : x
  2. Step 2: Convert to fraction form
    32.69/49.04 = 11.31/x
  3. Step 3: Cross multiply
    32.69x = 49.04 × 11.31
  4. Step 4: Simplify right side
    32.69x = 554.77
  5. Step 5: Solve for x
    x = 554.77/32.69
  6. Step 6: Final answer
    x = 16.97

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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.