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Finding the Fourth Proportional to 6,070.87, 8,382.86 and 4,087.99

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Solution

The fourth proportional to 6,070.87, 8,382.86 and 4,087.99 is: 5,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.87 : 8,382.86 = 4,087.99 : x
  2. Step 2: Convert to fraction form
    6,070.87/8,382.86 = 4,087.99/x
  3. Step 3: Cross multiply
    6,070.87x = 8,382.86 × 4,087.99
  4. Step 4: Simplify right side
    6,070.87x = 34,269,047.85
  5. Step 5: Solve for x
    x = 34,269,047.85/6,070.87
  6. Step 6: Final answer
    x = 5,644.83

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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.