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Finding the Fourth Proportional to 69,736.79, 104,605.92 and 27,627.12

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Solution

The fourth proportional to 69,736.79, 104,605.92 and 27,627.12 is: 41,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,736.79 : 104,605.92 = 27,627.12 : x
  2. Step 2: Convert to fraction form
    69,736.79/104,605.92 = 27,627.12/x
  3. Step 3: Cross multiply
    69,736.79x = 104,605.92 × 27,627.12
  4. Step 4: Simplify right side
    69,736.79x = 2,889,960,566.07
  5. Step 5: Solve for x
    x = 2,889,960,566.07/69,736.79
  6. Step 6: Final answer
    x = 41,440.98

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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.