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Finding the Fourth Proportional to 33,914.30, 50,872.86 and 8,955.36

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Solution

The fourth proportional to 33,914.30, 50,872.86 and 8,955.36 is: 13,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,914.30 : 50,872.86 = 8,955.36 : x
  2. Step 2: Convert to fraction form
    33,914.30/50,872.86 = 8,955.36/x
  3. Step 3: Cross multiply
    33,914.30x = 50,872.86 × 8,955.36
  4. Step 4: Simplify right side
    33,914.30x = 455,584,775.53
  5. Step 5: Solve for x
    x = 455,584,775.53/33,914.30
  6. Step 6: Final answer
    x = 13,433.41

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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.