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Finding the Fourth Proportional to 66,951.52, 92,390.00 and 36,736.09

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Solution

The fourth proportional to 66,951.52, 92,390.00 and 36,736.09 is: 50,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.52 : 92,390.00 = 36,736.09 : x
  2. Step 2: Convert to fraction form
    66,951.52/92,390.00 = 36,736.09/x
  3. Step 3: Cross multiply
    66,951.52x = 92,390.00 × 36,736.09
  4. Step 4: Simplify right side
    66,951.52x = 3,394,047,377.37
  5. Step 5: Solve for x
    x = 3,394,047,377.37/66,951.52
  6. Step 6: Final answer
    x = 50,694.11

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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.