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Finding the Fourth Proportional to 8,169.99, 12,249.32 and 4,473.96

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Solution

The fourth proportional to 8,169.99, 12,249.32 and 4,473.96 is: 6,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.99 : 12,249.32 = 4,473.96 : x
  2. Step 2: Convert to fraction form
    8,169.99/12,249.32 = 4,473.96/x
  3. Step 3: Cross multiply
    8,169.99x = 12,249.32 × 4,473.96
  4. Step 4: Simplify right side
    8,169.99x = 54,802,945.34
  5. Step 5: Solve for x
    x = 54,802,945.34/8,169.99
  6. Step 6: Final answer
    x = 6,707.84

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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.