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Finding the Fourth Proportional to 18,027.66, 27,025.83 and 8,662.98

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Solution

The fourth proportional to 18,027.66, 27,025.83 and 8,662.98 is: 12,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.66 : 27,025.83 = 8,662.98 : x
  2. Step 2: Convert to fraction form
    18,027.66/27,025.83 = 8,662.98/x
  3. Step 3: Cross multiply
    18,027.66x = 27,025.83 × 8,662.98
  4. Step 4: Simplify right side
    18,027.66x = 234,124,224.77
  5. Step 5: Solve for x
    x = 234,124,224.77/18,027.66
  6. Step 6: Final answer
    x = 12,986.94

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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.