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Finding the Fourth Proportional to 892.73, 1,233.46 and 793.61

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Solution

The fourth proportional to 892.73, 1,233.46 and 793.61 is: 1,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.73 : 1,233.46 = 793.61 : x
  2. Step 2: Convert to fraction form
    892.73/1,233.46 = 793.61/x
  3. Step 3: Cross multiply
    892.73x = 1,233.46 × 793.61
  4. Step 4: Simplify right side
    892.73x = 978,885.64
  5. Step 5: Solve for x
    x = 978,885.64/892.73
  6. Step 6: Final answer
    x = 1,096.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.