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Finding the Fourth Proportional to 18,041.30, 27,066.05 and 8,183.40

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Solution

The fourth proportional to 18,041.30, 27,066.05 and 8,183.40 is: 12,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.30 : 27,066.05 = 8,183.40 : x
  2. Step 2: Convert to fraction form
    18,041.30/27,066.05 = 8,183.40/x
  3. Step 3: Cross multiply
    18,041.30x = 27,066.05 × 8,183.40
  4. Step 4: Simplify right side
    18,041.30x = 221,492,201.84
  5. Step 5: Solve for x
    x = 221,492,201.84/18,041.30
  6. Step 6: Final answer
    x = 12,276.95

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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.