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Finding the Fourth Proportional to 33,504.60, 50,199.30 and 21,811.80

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Solution

The fourth proportional to 33,504.60, 50,199.30 and 21,811.80 is: 32,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,504.60 : 50,199.30 = 21,811.80 : x
  2. Step 2: Convert to fraction form
    33,504.60/50,199.30 = 21,811.80/x
  3. Step 3: Cross multiply
    33,504.60x = 50,199.30 × 21,811.80
  4. Step 4: Simplify right side
    33,504.60x = 1,094,937,091.74
  5. Step 5: Solve for x
    x = 1,094,937,091.74/33,504.60
  6. Step 6: Final answer
    x = 32,680.20

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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.