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Finding the Fourth Proportional to 7,057.79, 10,586.90 and 2,616.56

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Solution

The fourth proportional to 7,057.79, 10,586.90 and 2,616.56 is: 3,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.79 : 10,586.90 = 2,616.56 : x
  2. Step 2: Convert to fraction form
    7,057.79/10,586.90 = 2,616.56/x
  3. Step 3: Cross multiply
    7,057.79x = 10,586.90 × 2,616.56
  4. Step 4: Simplify right side
    7,057.79x = 27,701,193.05
  5. Step 5: Solve for x
    x = 27,701,193.05/7,057.79
  6. Step 6: Final answer
    x = 3,924.91

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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.