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Finding the Fourth Proportional to 18,073.80, 27,088.83 and 8,203.14

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Solution

The fourth proportional to 18,073.80, 27,088.83 and 8,203.14 is: 12,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.80 : 27,088.83 = 8,203.14 : x
  2. Step 2: Convert to fraction form
    18,073.80/27,088.83 = 8,203.14/x
  3. Step 3: Cross multiply
    18,073.80x = 27,088.83 × 8,203.14
  4. Step 4: Simplify right side
    18,073.80x = 222,213,464.93
  5. Step 5: Solve for x
    x = 222,213,464.93/18,073.80
  6. Step 6: Final answer
    x = 12,294.78

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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.