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Finding the Fourth Proportional to 18,499.69, 27,722.05 and 11,095.48

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Solution

The fourth proportional to 18,499.69, 27,722.05 and 11,095.48 is: 16,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.69 : 27,722.05 = 11,095.48 : x
  2. Step 2: Convert to fraction form
    18,499.69/27,722.05 = 11,095.48/x
  3. Step 3: Cross multiply
    18,499.69x = 27,722.05 × 11,095.48
  4. Step 4: Simplify right side
    18,499.69x = 307,589,458.25
  5. Step 5: Solve for x
    x = 307,589,458.25/18,499.69
  6. Step 6: Final answer
    x = 16,626.73

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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.