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Finding the Fourth Proportional to 56,859.94, 85,149.75 and 35,747.61

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Solution

The fourth proportional to 56,859.94, 85,149.75 and 35,747.61 is: 53,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.94 : 85,149.75 = 35,747.61 : x
  2. Step 2: Convert to fraction form
    56,859.94/85,149.75 = 35,747.61/x
  3. Step 3: Cross multiply
    56,859.94x = 85,149.75 × 35,747.61
  4. Step 4: Simplify right side
    56,859.94x = 3,043,899,668.26
  5. Step 5: Solve for x
    x = 3,043,899,668.26/56,859.94
  6. Step 6: Final answer
    x = 53,533.29

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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.