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Finding the Fourth Proportional to 8,930.92, 12,314.82 and 7,741.48

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Solution

The fourth proportional to 8,930.92, 12,314.82 and 7,741.48 is: 10,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.92 : 12,314.82 = 7,741.48 : x
  2. Step 2: Convert to fraction form
    8,930.92/12,314.82 = 7,741.48/x
  3. Step 3: Cross multiply
    8,930.92x = 12,314.82 × 7,741.48
  4. Step 4: Simplify right side
    8,930.92x = 95,334,932.73
  5. Step 5: Solve for x
    x = 95,334,932.73/8,930.92
  6. Step 6: Final answer
    x = 10,674.70

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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.