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Finding the Fourth Proportional to 18,568.26, 27,856.70 and 6,256.26

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Solution

The fourth proportional to 18,568.26, 27,856.70 and 6,256.26 is: 9,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.26 : 27,856.70 = 6,256.26 : x
  2. Step 2: Convert to fraction form
    18,568.26/27,856.70 = 6,256.26/x
  3. Step 3: Cross multiply
    18,568.26x = 27,856.70 × 6,256.26
  4. Step 4: Simplify right side
    18,568.26x = 174,278,757.94
  5. Step 5: Solve for x
    x = 174,278,757.94/18,568.26
  6. Step 6: Final answer
    x = 9,385.84

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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.