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Finding the Fourth Proportional to 67,951.93, 93,770.49 and 37,739.20

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Solution

The fourth proportional to 67,951.93, 93,770.49 and 37,739.20 is: 52,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,951.93 : 93,770.49 = 37,739.20 : x
  2. Step 2: Convert to fraction form
    67,951.93/93,770.49 = 37,739.20/x
  3. Step 3: Cross multiply
    67,951.93x = 93,770.49 × 37,739.20
  4. Step 4: Simplify right side
    67,951.93x = 3,538,823,276.21
  5. Step 5: Solve for x
    x = 3,538,823,276.21/67,951.93
  6. Step 6: Final answer
    x = 52,078.33

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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.