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Finding the Fourth Proportional to 11,475.99, 17,213.99 and 3,690.27

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Solution

The fourth proportional to 11,475.99, 17,213.99 and 3,690.27 is: 5,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.99 : 17,213.99 = 3,690.27 : x
  2. Step 2: Convert to fraction form
    11,475.99/17,213.99 = 3,690.27/x
  3. Step 3: Cross multiply
    11,475.99x = 17,213.99 × 3,690.27
  4. Step 4: Simplify right side
    11,475.99x = 63,524,252.43
  5. Step 5: Solve for x
    x = 63,524,252.43/11,475.99
  6. Step 6: Final answer
    x = 5,535.41

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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.