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Finding the Fourth Proportional to 27,165.94, 37,489.13 and 15,843.29

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Solution

The fourth proportional to 27,165.94, 37,489.13 and 15,843.29 is: 21,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.94 : 37,489.13 = 15,843.29 : x
  2. Step 2: Convert to fraction form
    27,165.94/37,489.13 = 15,843.29/x
  3. Step 3: Cross multiply
    27,165.94x = 37,489.13 × 15,843.29
  4. Step 4: Simplify right side
    27,165.94x = 593,951,079.22
  5. Step 5: Solve for x
    x = 593,951,079.22/27,165.94
  6. Step 6: Final answer
    x = 21,863.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.