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Finding the Fourth Proportional to 69,740.98, 104,605.52 and 27,609.61

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Solution

The fourth proportional to 69,740.98, 104,605.52 and 27,609.61 is: 41,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.98 : 104,605.52 = 27,609.61 : x
  2. Step 2: Convert to fraction form
    69,740.98/104,605.52 = 27,609.61/x
  3. Step 3: Cross multiply
    69,740.98x = 104,605.52 × 27,609.61
  4. Step 4: Simplify right side
    69,740.98x = 2,888,116,949.97
  5. Step 5: Solve for x
    x = 2,888,116,949.97/69,740.98
  6. Step 6: Final answer
    x = 41,412.05

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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.