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Finding the Fourth Proportional to 51,175.92, 76,755.51 and 36,339.96

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Solution

The fourth proportional to 51,175.92, 76,755.51 and 36,339.96 is: 54,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.92 : 76,755.51 = 36,339.96 : x
  2. Step 2: Convert to fraction form
    51,175.92/76,755.51 = 36,339.96/x
  3. Step 3: Cross multiply
    51,175.92x = 76,755.51 × 36,339.96
  4. Step 4: Simplify right side
    51,175.92x = 2,789,292,163.18
  5. Step 5: Solve for x
    x = 2,789,292,163.18/51,175.92
  6. Step 6: Final answer
    x = 54,504.00

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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.