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Finding the Fourth Proportional to 66,957.30, 92,396.91 and 36,736.50

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Solution

The fourth proportional to 66,957.30, 92,396.91 and 36,736.50 is: 50,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.30 : 92,396.91 = 36,736.50 : x
  2. Step 2: Convert to fraction form
    66,957.30/92,396.91 = 36,736.50/x
  3. Step 3: Cross multiply
    66,957.30x = 92,396.91 × 36,736.50
  4. Step 4: Simplify right side
    66,957.30x = 3,394,339,084.22
  5. Step 5: Solve for x
    x = 3,394,339,084.22/66,957.30
  6. Step 6: Final answer
    x = 50,694.09

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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.