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Finding the Fourth Proportional to 55,474.70, 76,550.94 and 31,596.71

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Solution

The fourth proportional to 55,474.70, 76,550.94 and 31,596.71 is: 43,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.70 : 76,550.94 = 31,596.71 : x
  2. Step 2: Convert to fraction form
    55,474.70/76,550.94 = 31,596.71/x
  3. Step 3: Cross multiply
    55,474.70x = 76,550.94 × 31,596.71
  4. Step 4: Simplify right side
    55,474.70x = 2,418,757,468.65
  5. Step 5: Solve for x
    x = 2,418,757,468.65/55,474.70
  6. Step 6: Final answer
    x = 43,601.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.