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Finding the Fourth Proportional to 8,916.96, 13,371.24 and 2,674.56

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Solution

The fourth proportional to 8,916.96, 13,371.24 and 2,674.56 is: 4,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.96 : 13,371.24 = 2,674.56 : x
  2. Step 2: Convert to fraction form
    8,916.96/13,371.24 = 2,674.56/x
  3. Step 3: Cross multiply
    8,916.96x = 13,371.24 × 2,674.56
  4. Step 4: Simplify right side
    8,916.96x = 35,762,183.65
  5. Step 5: Solve for x
    x = 35,762,183.65/8,916.96
  6. Step 6: Final answer
    x = 4,010.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.