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Finding the Fourth Proportional to 11,800.57, 17,677.79 and 6,246.28

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Solution

The fourth proportional to 11,800.57, 17,677.79 and 6,246.28 is: 9,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.57 : 17,677.79 = 6,246.28 : x
  2. Step 2: Convert to fraction form
    11,800.57/17,677.79 = 6,246.28/x
  3. Step 3: Cross multiply
    11,800.57x = 17,677.79 × 6,246.28
  4. Step 4: Simplify right side
    11,800.57x = 110,420,400.97
  5. Step 5: Solve for x
    x = 110,420,400.97/11,800.57
  6. Step 6: Final answer
    x = 9,357.21

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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.