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Finding the Fourth Proportional to 33,661.96, 50,503.44 and 13,949.80

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Solution

The fourth proportional to 33,661.96, 50,503.44 and 13,949.80 is: 20,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.96 : 50,503.44 = 13,949.80 : x
  2. Step 2: Convert to fraction form
    33,661.96/50,503.44 = 13,949.80/x
  3. Step 3: Cross multiply
    33,661.96x = 50,503.44 × 13,949.80
  4. Step 4: Simplify right side
    33,661.96x = 704,512,887.31
  5. Step 5: Solve for x
    x = 704,512,887.31/33,661.96
  6. Step 6: Final answer
    x = 20,929.05

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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.