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Finding the Fourth Proportional to 18,382.81, 27,571.60 and 5,901.22

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Solution

The fourth proportional to 18,382.81, 27,571.60 and 5,901.22 is: 8,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.81 : 27,571.60 = 5,901.22 : x
  2. Step 2: Convert to fraction form
    18,382.81/27,571.60 = 5,901.22/x
  3. Step 3: Cross multiply
    18,382.81x = 27,571.60 × 5,901.22
  4. Step 4: Simplify right side
    18,382.81x = 162,706,077.35
  5. Step 5: Solve for x
    x = 162,706,077.35/18,382.81
  6. Step 6: Final answer
    x = 8,850.99

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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.