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Finding the Fourth Proportional to 8,761.50, 12,091.14 and 5,035.50

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Solution

The fourth proportional to 8,761.50, 12,091.14 and 5,035.50 is: 6,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.50 : 12,091.14 = 5,035.50 : x
  2. Step 2: Convert to fraction form
    8,761.50/12,091.14 = 5,035.50/x
  3. Step 3: Cross multiply
    8,761.50x = 12,091.14 × 5,035.50
  4. Step 4: Simplify right side
    8,761.50x = 60,884,935.47
  5. Step 5: Solve for x
    x = 60,884,935.47/8,761.50
  6. Step 6: Final answer
    x = 6,949.15

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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.