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Finding the Fourth Proportional to 18,452.73, 27,662.66 and 6,763.22

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Solution

The fourth proportional to 18,452.73, 27,662.66 and 6,763.22 is: 10,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.73 : 27,662.66 = 6,763.22 : x
  2. Step 2: Convert to fraction form
    18,452.73/27,662.66 = 6,763.22/x
  3. Step 3: Cross multiply
    18,452.73x = 27,662.66 × 6,763.22
  4. Step 4: Simplify right side
    18,452.73x = 187,088,655.37
  5. Step 5: Solve for x
    x = 187,088,655.37/18,452.73
  6. Step 6: Final answer
    x = 10,138.81

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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.