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Finding the Fourth Proportional to 75,481.66, 113,222.49 and 33,880.06

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Solution

The fourth proportional to 75,481.66, 113,222.49 and 33,880.06 is: 50,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.66 : 113,222.49 = 33,880.06 : x
  2. Step 2: Convert to fraction form
    75,481.66/113,222.49 = 33,880.06/x
  3. Step 3: Cross multiply
    75,481.66x = 113,222.49 × 33,880.06
  4. Step 4: Simplify right side
    75,481.66x = 3,835,984,754.55
  5. Step 5: Solve for x
    x = 3,835,984,754.55/75,481.66
  6. Step 6: Final answer
    x = 50,820.09

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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.