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Finding the Fourth Proportional to 67,704.89, 93,443.29 and 38,633.31

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Solution

The fourth proportional to 67,704.89, 93,443.29 and 38,633.31 is: 53,319.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,704.89 : 93,443.29 = 38,633.31 : x
  2. Step 2: Convert to fraction form
    67,704.89/93,443.29 = 38,633.31/x
  3. Step 3: Cross multiply
    67,704.89x = 93,443.29 × 38,633.31
  4. Step 4: Simplify right side
    67,704.89x = 3,610,023,493.41
  5. Step 5: Solve for x
    x = 3,610,023,493.41/67,704.89
  6. Step 6: Final answer
    x = 53,319.99

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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.