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Finding the Fourth Proportional to 69,382.73, 104,074.09 and 16,792.21

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Solution

The fourth proportional to 69,382.73, 104,074.09 and 16,792.21 is: 25,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,382.73 : 104,074.09 = 16,792.21 : x
  2. Step 2: Convert to fraction form
    69,382.73/104,074.09 = 16,792.21/x
  3. Step 3: Cross multiply
    69,382.73x = 104,074.09 × 16,792.21
  4. Step 4: Simplify right side
    69,382.73x = 1,747,633,890.88
  5. Step 5: Solve for x
    x = 1,747,633,890.88/69,382.73
  6. Step 6: Final answer
    x = 25,188.31

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1.5x scale

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.