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Finding the Fourth Proportional to 16,571.88, 22,868.73 and 9,018.09

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Solution

The fourth proportional to 16,571.88, 22,868.73 and 9,018.09 is: 12,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571.88 : 22,868.73 = 9,018.09 : x
  2. Step 2: Convert to fraction form
    16,571.88/22,868.73 = 9,018.09/x
  3. Step 3: Cross multiply
    16,571.88x = 22,868.73 × 9,018.09
  4. Step 4: Simplify right side
    16,571.88x = 206,232,265.33
  5. Step 5: Solve for x
    x = 206,232,265.33/16,571.88
  6. Step 6: Final answer
    x = 12,444.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.