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Finding the Fourth Proportional to 5,550.72, 8,319 and 2,259.96

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Solution

The fourth proportional to 5,550.72, 8,319 and 2,259.96 is: 3,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.72 : 8,319 = 2,259.96 : x
  2. Step 2: Convert to fraction form
    5,550.72/8,319 = 2,259.96/x
  3. Step 3: Cross multiply
    5,550.72x = 8,319 × 2,259.96
  4. Step 4: Simplify right side
    5,550.72x = 18,800,607.24
  5. Step 5: Solve for x
    x = 18,800,607.24/5,550.72
  6. Step 6: Final answer
    x = 3,387.06

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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.