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Finding the Fourth Proportional to 33,631.92, 50,450.78 and 8,671.76

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Solution

The fourth proportional to 33,631.92, 50,450.78 and 8,671.76 is: 13,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,631.92 : 50,450.78 = 8,671.76 : x
  2. Step 2: Convert to fraction form
    33,631.92/50,450.78 = 8,671.76/x
  3. Step 3: Cross multiply
    33,631.92x = 50,450.78 × 8,671.76
  4. Step 4: Simplify right side
    33,631.92x = 437,497,014.59
  5. Step 5: Solve for x
    x = 437,497,014.59/33,631.92
  6. Step 6: Final answer
    x = 13,008.39

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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.