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Finding the Fourth Proportional to 33,764.60, 50,649.78 and 8,807.96

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Solution

The fourth proportional to 33,764.60, 50,649.78 and 8,807.96 is: 13,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,764.60 : 50,649.78 = 8,807.96 : x
  2. Step 2: Convert to fraction form
    33,764.60/50,649.78 = 8,807.96/x
  3. Step 3: Cross multiply
    33,764.60x = 50,649.78 × 8,807.96
  4. Step 4: Simplify right side
    33,764.60x = 446,121,236.25
  5. Step 5: Solve for x
    x = 446,121,236.25/33,764.60
  6. Step 6: Final answer
    x = 13,212.69

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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.