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Finding the Fourth Proportional to 67,983.67, 93,817.38 and 37,771.78

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Solution

The fourth proportional to 67,983.67, 93,817.38 and 37,771.78 is: 52,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,983.67 : 93,817.38 = 37,771.78 : x
  2. Step 2: Convert to fraction form
    67,983.67/93,817.38 = 37,771.78/x
  3. Step 3: Cross multiply
    67,983.67x = 93,817.38 × 37,771.78
  4. Step 4: Simplify right side
    67,983.67x = 3,543,649,437.54
  5. Step 5: Solve for x
    x = 3,543,649,437.54/67,983.67
  6. Step 6: Final answer
    x = 52,125.01

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