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Finding the Fourth Proportional to 18,380.71, 27,568.46 and 5,899.12

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Solution

The fourth proportional to 18,380.71, 27,568.46 and 5,899.12 is: 8,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.71 : 27,568.46 = 5,899.12 : x
  2. Step 2: Convert to fraction form
    18,380.71/27,568.46 = 5,899.12/x
  3. Step 3: Cross multiply
    18,380.71x = 27,568.46 × 5,899.12
  4. Step 4: Simplify right side
    18,380.71x = 162,629,628.34
  5. Step 5: Solve for x
    x = 162,629,628.34/18,380.71
  6. Step 6: Final answer
    x = 8,847.84

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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.