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Finding the Fourth Proportional to 33,611.73, 50,405.84 and 9,912.99

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Solution

The fourth proportional to 33,611.73, 50,405.84 and 9,912.99 is: 14,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,611.73 : 50,405.84 = 9,912.99 : x
  2. Step 2: Convert to fraction form
    33,611.73/50,405.84 = 9,912.99/x
  3. Step 3: Cross multiply
    33,611.73x = 50,405.84 × 9,912.99
  4. Step 4: Simplify right side
    33,611.73x = 499,672,538.30
  5. Step 5: Solve for x
    x = 499,672,538.30/33,611.73
  6. Step 6: Final answer
    x = 14,866.02

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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.