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Finding the Fourth Proportional to 18,054.28, 27,073.50 and 8,193.16

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Solution

The fourth proportional to 18,054.28, 27,073.50 and 8,193.16 is: 12,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.28 : 27,073.50 = 8,193.16 : x
  2. Step 2: Convert to fraction form
    18,054.28/27,073.50 = 8,193.16/x
  3. Step 3: Cross multiply
    18,054.28x = 27,073.50 × 8,193.16
  4. Step 4: Simplify right side
    18,054.28x = 221,817,517.26
  5. Step 5: Solve for x
    x = 221,817,517.26/18,054.28
  6. Step 6: Final answer
    x = 12,286.15

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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.