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Finding the Fourth Proportional to 18,563.52, 27,843.96 and 8,705.04

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Solution

The fourth proportional to 18,563.52, 27,843.96 and 8,705.04 is: 13,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.52 : 27,843.96 = 8,705.04 : x
  2. Step 2: Convert to fraction form
    18,563.52/27,843.96 = 8,705.04/x
  3. Step 3: Cross multiply
    18,563.52x = 27,843.96 × 8,705.04
  4. Step 4: Simplify right side
    18,563.52x = 242,382,785.56
  5. Step 5: Solve for x
    x = 242,382,785.56/18,563.52
  6. Step 6: Final answer
    x = 13,056.94

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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.