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Finding the Fourth Proportional to 18,585.69, 27,861.44 and 8,049.09

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Solution

The fourth proportional to 18,585.69, 27,861.44 and 8,049.09 is: 12,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.69 : 27,861.44 = 8,049.09 : x
  2. Step 2: Convert to fraction form
    18,585.69/27,861.44 = 8,049.09/x
  3. Step 3: Cross multiply
    18,585.69x = 27,861.44 × 8,049.09
  4. Step 4: Simplify right side
    18,585.69x = 224,259,197.84
  5. Step 5: Solve for x
    x = 224,259,197.84/18,585.69
  6. Step 6: Final answer
    x = 12,066.23

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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.