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Finding the Fourth Proportional to 18,095.76, 27,149.11 and 6,998.56

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Solution

The fourth proportional to 18,095.76, 27,149.11 and 6,998.56 is: 10,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.76 : 27,149.11 = 6,998.56 : x
  2. Step 2: Convert to fraction form
    18,095.76/27,149.11 = 6,998.56/x
  3. Step 3: Cross multiply
    18,095.76x = 27,149.11 × 6,998.56
  4. Step 4: Simplify right side
    18,095.76x = 190,004,589.91
  5. Step 5: Solve for x
    x = 190,004,589.91/18,095.76
  6. Step 6: Final answer
    x = 10,499.95

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Half scale
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Double scale
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Similar ratio
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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.