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Finding the Fourth Proportional to 75,672.88, 113,491.04 and 33,529.66

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Solution

The fourth proportional to 75,672.88, 113,491.04 and 33,529.66 is: 50,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.88 : 113,491.04 = 33,529.66 : x
  2. Step 2: Convert to fraction form
    75,672.88/113,491.04 = 33,529.66/x
  3. Step 3: Cross multiply
    75,672.88x = 113,491.04 × 33,529.66
  4. Step 4: Simplify right side
    75,672.88x = 3,805,315,984.25
  5. Step 5: Solve for x
    x = 3,805,315,984.25/75,672.88
  6. Step 6: Final answer
    x = 50,286.39

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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.