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Finding the Fourth Proportional to 18,571.50, 27,859.89 and 6,092.49

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Solution

The fourth proportional to 18,571.50, 27,859.89 and 6,092.49 is: 9,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.50 : 27,859.89 = 6,092.49 : x
  2. Step 2: Convert to fraction form
    18,571.50/27,859.89 = 6,092.49/x
  3. Step 3: Cross multiply
    18,571.50x = 27,859.89 × 6,092.49
  4. Step 4: Simplify right side
    18,571.50x = 169,736,228.55
  5. Step 5: Solve for x
    x = 169,736,228.55/18,571.50
  6. Step 6: Final answer
    x = 9,139.61

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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.