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Finding the Fourth Proportional to 5,449.99, 8,174.84 and 3,666.98

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Solution

The fourth proportional to 5,449.99, 8,174.84 and 3,666.98 is: 5,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.99 : 8,174.84 = 3,666.98 : x
  2. Step 2: Convert to fraction form
    5,449.99/8,174.84 = 3,666.98/x
  3. Step 3: Cross multiply
    5,449.99x = 8,174.84 × 3,666.98
  4. Step 4: Simplify right side
    5,449.99x = 29,976,933.91
  5. Step 5: Solve for x
    x = 29,976,933.91/5,449.99
  6. Step 6: Final answer
    x = 5,500.37

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1.5x scale

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.