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Finding the Fourth Proportional to 6,310.98, 8,708.58 and 3,477.87

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Solution

The fourth proportional to 6,310.98, 8,708.58 and 3,477.87 is: 4,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.98 : 8,708.58 = 3,477.87 : x
  2. Step 2: Convert to fraction form
    6,310.98/8,708.58 = 3,477.87/x
  3. Step 3: Cross multiply
    6,310.98x = 8,708.58 × 3,477.87
  4. Step 4: Simplify right side
    6,310.98x = 30,287,309.12
  5. Step 5: Solve for x
    x = 30,287,309.12/6,310.98
  6. Step 6: Final answer
    x = 4,799.15

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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.