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Finding the Fourth Proportional to 67,894.97, 93,694.93 and 37,680.65

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Solution

The fourth proportional to 67,894.97, 93,694.93 and 37,680.65 is: 51,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,894.97 : 93,694.93 = 37,680.65 : x
  2. Step 2: Convert to fraction form
    67,894.97/93,694.93 = 37,680.65/x
  3. Step 3: Cross multiply
    67,894.97x = 93,694.93 × 37,680.65
  4. Step 4: Simplify right side
    67,894.97x = 3,530,485,675.70
  5. Step 5: Solve for x
    x = 3,530,485,675.70/67,894.97
  6. Step 6: Final answer
    x = 51,999.23

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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.