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Finding the Fourth Proportional to 18,059.66, 27,100.24 and 8,198.82

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Solution

The fourth proportional to 18,059.66, 27,100.24 and 8,198.82 is: 12,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.66 : 27,100.24 = 8,198.82 : x
  2. Step 2: Convert to fraction form
    18,059.66/27,100.24 = 8,198.82/x
  3. Step 3: Cross multiply
    18,059.66x = 27,100.24 × 8,198.82
  4. Step 4: Simplify right side
    18,059.66x = 222,189,989.72
  5. Step 5: Solve for x
    x = 222,189,989.72/18,059.66
  6. Step 6: Final answer
    x = 12,303.11

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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.