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Finding the Fourth Proportional to 39,093, 58,627.32 and 12,791.88

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Solution

The fourth proportional to 39,093, 58,627.32 and 12,791.88 is: 19,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093 : 58,627.32 = 12,791.88 : x
  2. Step 2: Convert to fraction form
    39,093/58,627.32 = 12,791.88/x
  3. Step 3: Cross multiply
    39,093x = 58,627.32 × 12,791.88
  4. Step 4: Simplify right side
    39,093x = 749,953,642.16
  5. Step 5: Solve for x
    x = 749,953,642.16/39,093
  6. Step 6: Final answer
    x = 19,183.83

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