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Finding the Fourth Proportional to 67,843.36, 93,628.62 and 37,631.56

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Solution

The fourth proportional to 67,843.36, 93,628.62 and 37,631.56 is: 51,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,843.36 : 93,628.62 = 37,631.56 : x
  2. Step 2: Convert to fraction form
    67,843.36/93,628.62 = 37,631.56/x
  3. Step 3: Cross multiply
    67,843.36x = 93,628.62 × 37,631.56
  4. Step 4: Simplify right side
    67,843.36x = 3,523,391,031.25
  5. Step 5: Solve for x
    x = 3,523,391,031.25/67,843.36
  6. Step 6: Final answer
    x = 51,934.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.