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Finding the Fourth Proportional to 32.12, 48.16 and 10.73

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Solution

The fourth proportional to 32.12, 48.16 and 10.73 is: 16.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.12 : 48.16 = 10.73 : x
  2. Step 2: Convert to fraction form
    32.12/48.16 = 10.73/x
  3. Step 3: Cross multiply
    32.12x = 48.16 × 10.73
  4. Step 4: Simplify right side
    32.12x = 516.93
  5. Step 5: Solve for x
    x = 516.93/32.12
  6. Step 6: Final answer
    x = 16.09

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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.