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Finding the Fourth Proportional to 18,162.92, 27,245.94 and 5,015.29

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Solution

The fourth proportional to 18,162.92, 27,245.94 and 5,015.29 is: 7,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.92 : 27,245.94 = 5,015.29 : x
  2. Step 2: Convert to fraction form
    18,162.92/27,245.94 = 5,015.29/x
  3. Step 3: Cross multiply
    18,162.92x = 27,245.94 × 5,015.29
  4. Step 4: Simplify right side
    18,162.92x = 136,646,290.42
  5. Step 5: Solve for x
    x = 136,646,290.42/18,162.92
  6. Step 6: Final answer
    x = 7,523.37

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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.