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Finding the Fourth Proportional to 18,585.73, 27,879.48 and 5,936.83

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Solution

The fourth proportional to 18,585.73, 27,879.48 and 5,936.83 is: 8,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.73 : 27,879.48 = 5,936.83 : x
  2. Step 2: Convert to fraction form
    18,585.73/27,879.48 = 5,936.83/x
  3. Step 3: Cross multiply
    18,585.73x = 27,879.48 × 5,936.83
  4. Step 4: Simplify right side
    18,585.73x = 165,515,733.25
  5. Step 5: Solve for x
    x = 165,515,733.25/18,585.73
  6. Step 6: Final answer
    x = 8,905.53

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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.