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Finding the Fourth Proportional to 36,162.99, 49,903.97 and 20,249.19

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Solution

The fourth proportional to 36,162.99, 49,903.97 and 20,249.19 is: 27,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,162.99 : 49,903.97 = 20,249.19 : x
  2. Step 2: Convert to fraction form
    36,162.99/49,903.97 = 20,249.19/x
  3. Step 3: Cross multiply
    36,162.99x = 49,903.97 × 20,249.19
  4. Step 4: Simplify right side
    36,162.99x = 1,010,514,869.04
  5. Step 5: Solve for x
    x = 1,010,514,869.04/36,162.99
  6. Step 6: Final answer
    x = 27,943.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.