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Finding the Fourth Proportional to 61,755.90, 92,630.21 and 38,067.99

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Solution

The fourth proportional to 61,755.90, 92,630.21 and 38,067.99 is: 57,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755.90 : 92,630.21 = 38,067.99 : x
  2. Step 2: Convert to fraction form
    61,755.90/92,630.21 = 38,067.99/x
  3. Step 3: Cross multiply
    61,755.90x = 92,630.21 × 38,067.99
  4. Step 4: Simplify right side
    61,755.90x = 3,526,245,717.64
  5. Step 5: Solve for x
    x = 3,526,245,717.64/61,755.90
  6. Step 6: Final answer
    x = 57,099.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.