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Finding the Fourth Proportional to 10,796.83, 16,165.35 and 5,520.48

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Solution

The fourth proportional to 10,796.83, 16,165.35 and 5,520.48 is: 8,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.83 : 16,165.35 = 5,520.48 : x
  2. Step 2: Convert to fraction form
    10,796.83/16,165.35 = 5,520.48/x
  3. Step 3: Cross multiply
    10,796.83x = 16,165.35 × 5,520.48
  4. Step 4: Simplify right side
    10,796.83x = 89,240,491.37
  5. Step 5: Solve for x
    x = 89,240,491.37/10,796.83
  6. Step 6: Final answer
    x = 8,265.43

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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.