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Finding the Fourth Proportional to 55,372.40, 82,959.60 and 33,694.40

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Solution

The fourth proportional to 55,372.40, 82,959.60 and 33,694.40 is: 50,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.40 : 82,959.60 = 33,694.40 : x
  2. Step 2: Convert to fraction form
    55,372.40/82,959.60 = 33,694.40/x
  3. Step 3: Cross multiply
    55,372.40x = 82,959.60 × 33,694.40
  4. Step 4: Simplify right side
    55,372.40x = 2,795,273,946.24
  5. Step 5: Solve for x
    x = 2,795,273,946.24/55,372.40
  6. Step 6: Final answer
    x = 50,481.36

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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.