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Finding the Fourth Proportional to 8,916.75, 13,374.86 and 3,650.27

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Solution

The fourth proportional to 8,916.75, 13,374.86 and 3,650.27 is: 5,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.75 : 13,374.86 = 3,650.27 : x
  2. Step 2: Convert to fraction form
    8,916.75/13,374.86 = 3,650.27/x
  3. Step 3: Cross multiply
    8,916.75x = 13,374.86 × 3,650.27
  4. Step 4: Simplify right side
    8,916.75x = 48,821,765.09
  5. Step 5: Solve for x
    x = 48,821,765.09/8,916.75
  6. Step 6: Final answer
    x = 5,475.29

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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.