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Finding the Fourth Proportional to 33,879.60, 50,813.64 and 9,249.84

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Solution

The fourth proportional to 33,879.60, 50,813.64 and 9,249.84 is: 13,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879.60 : 50,813.64 = 9,249.84 : x
  2. Step 2: Convert to fraction form
    33,879.60/50,813.64 = 9,249.84/x
  3. Step 3: Cross multiply
    33,879.60x = 50,813.64 × 9,249.84
  4. Step 4: Simplify right side
    33,879.60x = 470,018,039.82
  5. Step 5: Solve for x
    x = 470,018,039.82/33,879.60
  6. Step 6: Final answer
    x = 13,873.19

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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.