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Finding the Fourth Proportional to 51,879.63, 77,694.69 and 29,625.55

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Solution

The fourth proportional to 51,879.63, 77,694.69 and 29,625.55 is: 44,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.63 : 77,694.69 = 29,625.55 : x
  2. Step 2: Convert to fraction form
    51,879.63/77,694.69 = 29,625.55/x
  3. Step 3: Cross multiply
    51,879.63x = 77,694.69 × 29,625.55
  4. Step 4: Simplify right side
    51,879.63x = 2,301,747,964.90
  5. Step 5: Solve for x
    x = 2,301,747,964.90/51,879.63
  6. Step 6: Final answer
    x = 44,367.09

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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.