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Finding the Fourth Proportional to 67,893.87, 93,704.73 and 37,688.85

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Solution

The fourth proportional to 67,893.87, 93,704.73 and 37,688.85 is: 52,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,893.87 : 93,704.73 = 37,688.85 : x
  2. Step 2: Convert to fraction form
    67,893.87/93,704.73 = 37,688.85/x
  3. Step 3: Cross multiply
    67,893.87x = 93,704.73 × 37,688.85
  4. Step 4: Simplify right side
    67,893.87x = 3,531,623,513.26
  5. Step 5: Solve for x
    x = 3,531,623,513.26/67,893.87
  6. Step 6: Final answer
    x = 52,016.82

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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.