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Finding the Fourth Proportional to 51,263.91, 76,891.82 and 16,203.87

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Solution

The fourth proportional to 51,263.91, 76,891.82 and 16,203.87 is: 24,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,263.91 : 76,891.82 = 16,203.87 : x
  2. Step 2: Convert to fraction form
    51,263.91/76,891.82 = 16,203.87/x
  3. Step 3: Cross multiply
    51,263.91x = 76,891.82 × 16,203.87
  4. Step 4: Simplify right side
    51,263.91x = 1,245,944,974.32
  5. Step 5: Solve for x
    x = 1,245,944,974.32/51,263.91
  6. Step 6: Final answer
    x = 24,304.52

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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.