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Finding the Fourth Proportional to 33,355.56, 50,033.28 and 8,731.56

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Solution

The fourth proportional to 33,355.56, 50,033.28 and 8,731.56 is: 13,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.56 : 50,033.28 = 8,731.56 : x
  2. Step 2: Convert to fraction form
    33,355.56/50,033.28 = 8,731.56/x
  3. Step 3: Cross multiply
    33,355.56x = 50,033.28 × 8,731.56
  4. Step 4: Simplify right side
    33,355.56x = 436,868,586.32
  5. Step 5: Solve for x
    x = 436,868,586.32/33,355.56
  6. Step 6: Final answer
    x = 13,097.32

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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.