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Finding the Fourth Proportional to 18,546.56, 27,813.28 and 8,016.15

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Solution

The fourth proportional to 18,546.56, 27,813.28 and 8,016.15 is: 12,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.56 : 27,813.28 = 8,016.15 : x
  2. Step 2: Convert to fraction form
    18,546.56/27,813.28 = 8,016.15/x
  3. Step 3: Cross multiply
    18,546.56x = 27,813.28 × 8,016.15
  4. Step 4: Simplify right side
    18,546.56x = 222,955,424.47
  5. Step 5: Solve for x
    x = 222,955,424.47/18,546.56
  6. Step 6: Final answer
    x = 12,021.39

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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.