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Finding the Fourth Proportional to 67,894.36, 93,691.44 and 37,680.94

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Solution

The fourth proportional to 67,894.36, 93,691.44 and 37,680.94 is: 51,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,894.36 : 93,691.44 = 37,680.94 : x
  2. Step 2: Convert to fraction form
    67,894.36/93,691.44 = 37,680.94/x
  3. Step 3: Cross multiply
    67,894.36x = 93,691.44 × 37,680.94
  4. Step 4: Simplify right side
    67,894.36x = 3,530,381,529.15
  5. Step 5: Solve for x
    x = 3,530,381,529.15/67,894.36
  6. Step 6: Final answer
    x = 51,998.16

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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.