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Finding the Fourth Proportional to 18,588.32, 27,863.04 and 6,896.24

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Solution

The fourth proportional to 18,588.32, 27,863.04 and 6,896.24 is: 10,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.32 : 27,863.04 = 6,896.24 : x
  2. Step 2: Convert to fraction form
    18,588.32/27,863.04 = 6,896.24/x
  3. Step 3: Cross multiply
    18,588.32x = 27,863.04 × 6,896.24
  4. Step 4: Simplify right side
    18,588.32x = 192,150,210.97
  5. Step 5: Solve for x
    x = 192,150,210.97/18,588.32
  6. Step 6: Final answer
    x = 10,337.15

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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.