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Finding the Fourth Proportional to 4,861.65, 6,709.08 and 2,765.77

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Solution

The fourth proportional to 4,861.65, 6,709.08 and 2,765.77 is: 3,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.65 : 6,709.08 = 2,765.77 : x
  2. Step 2: Convert to fraction form
    4,861.65/6,709.08 = 2,765.77/x
  3. Step 3: Cross multiply
    4,861.65x = 6,709.08 × 2,765.77
  4. Step 4: Simplify right side
    4,861.65x = 18,555,772.19
  5. Step 5: Solve for x
    x = 18,555,772.19/4,861.65
  6. Step 6: Final answer
    x = 3,816.76

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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.