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Finding the Fourth Proportional to 8,163.92, 11,267.10 and 4,627.36

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Solution

The fourth proportional to 8,163.92, 11,267.10 and 4,627.36 is: 6,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.92 : 11,267.10 = 4,627.36 : x
  2. Step 2: Convert to fraction form
    8,163.92/11,267.10 = 4,627.36/x
  3. Step 3: Cross multiply
    8,163.92x = 11,267.10 × 4,627.36
  4. Step 4: Simplify right side
    8,163.92x = 52,136,927.86
  5. Step 5: Solve for x
    x = 52,136,927.86/8,163.92
  6. Step 6: Final answer
    x = 6,386.26

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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.