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Finding the Fourth Proportional to 17,571.99, 26,421.21 and 16,202.09

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Solution

The fourth proportional to 17,571.99, 26,421.21 and 16,202.09 is: 24,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571.99 : 26,421.21 = 16,202.09 : x
  2. Step 2: Convert to fraction form
    17,571.99/26,421.21 = 16,202.09/x
  3. Step 3: Cross multiply
    17,571.99x = 26,421.21 × 16,202.09
  4. Step 4: Simplify right side
    17,571.99x = 428,078,690.22
  5. Step 5: Solve for x
    x = 428,078,690.22/17,571.99
  6. Step 6: Final answer
    x = 24,361.42

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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.