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Finding the Fourth Proportional to 56,859.71, 85,247.44 and 27,249.35

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Solution

The fourth proportional to 56,859.71, 85,247.44 and 27,249.35 is: 40,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.71 : 85,247.44 = 27,249.35 : x
  2. Step 2: Convert to fraction form
    56,859.71/85,247.44 = 27,249.35/x
  3. Step 3: Cross multiply
    56,859.71x = 85,247.44 × 27,249.35
  4. Step 4: Simplify right side
    56,859.71x = 2,322,936,834.80
  5. Step 5: Solve for x
    x = 2,322,936,834.80/56,859.71
  6. Step 6: Final answer
    x = 40,853.83

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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.