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Finding the Fourth Proportional to 67,889.96, 93,685.68 and 37,676.60

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Solution

The fourth proportional to 67,889.96, 93,685.68 and 37,676.60 is: 51,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,889.96 : 93,685.68 = 37,676.60 : x
  2. Step 2: Convert to fraction form
    67,889.96/93,685.68 = 37,676.60/x
  3. Step 3: Cross multiply
    67,889.96x = 93,685.68 × 37,676.60
  4. Step 4: Simplify right side
    67,889.96x = 3,529,757,891.09
  5. Step 5: Solve for x
    x = 3,529,757,891.09/67,889.96
  6. Step 6: Final answer
    x = 51,992.34

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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.