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Finding the Fourth Proportional to 11,635.73, 17,446.63 and 7,892.11

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Solution

The fourth proportional to 11,635.73, 17,446.63 and 7,892.11 is: 11,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.73 : 17,446.63 = 7,892.11 : x
  2. Step 2: Convert to fraction form
    11,635.73/17,446.63 = 7,892.11/x
  3. Step 3: Cross multiply
    11,635.73x = 17,446.63 × 7,892.11
  4. Step 4: Simplify right side
    11,635.73x = 137,690,723.09
  5. Step 5: Solve for x
    x = 137,690,723.09/11,635.73
  6. Step 6: Final answer
    x = 11,833.44

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1.5x scale

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.