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Finding the Fourth Proportional to 61,932.94, 85,474.74 and 36,782.44

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Solution

The fourth proportional to 61,932.94, 85,474.74 and 36,782.44 is: 50,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,932.94 : 85,474.74 = 36,782.44 : x
  2. Step 2: Convert to fraction form
    61,932.94/85,474.74 = 36,782.44/x
  3. Step 3: Cross multiply
    61,932.94x = 85,474.74 × 36,782.44
  4. Step 4: Simplify right side
    61,932.94x = 3,143,969,495.57
  5. Step 5: Solve for x
    x = 3,143,969,495.57/61,932.94
  6. Step 6: Final answer
    x = 50,764.09

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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.