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Finding the Fourth Proportional to 8,738.86, 12,059.56 and 4,759.96

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Solution

The fourth proportional to 8,738.86, 12,059.56 and 4,759.96 is: 6,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.86 : 12,059.56 = 4,759.96 : x
  2. Step 2: Convert to fraction form
    8,738.86/12,059.56 = 4,759.96/x
  3. Step 3: Cross multiply
    8,738.86x = 12,059.56 × 4,759.96
  4. Step 4: Simplify right side
    8,738.86x = 57,403,023.22
  5. Step 5: Solve for x
    x = 57,403,023.22/8,738.86
  6. Step 6: Final answer
    x = 6,568.71

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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.