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Finding the Fourth Proportional to 33,647.21, 50,406.14 and 18,811.14

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Solution

The fourth proportional to 33,647.21, 50,406.14 and 18,811.14 is: 28,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,647.21 : 50,406.14 = 18,811.14 : x
  2. Step 2: Convert to fraction form
    33,647.21/50,406.14 = 18,811.14/x
  3. Step 3: Cross multiply
    33,647.21x = 50,406.14 × 18,811.14
  4. Step 4: Simplify right side
    33,647.21x = 948,197,003.43
  5. Step 5: Solve for x
    x = 948,197,003.43/33,647.21
  6. Step 6: Final answer
    x = 28,180.55

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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.