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Finding the Fourth Proportional to 16,809.92, 25,213.44 and 6,943.04

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Solution

The fourth proportional to 16,809.92, 25,213.44 and 6,943.04 is: 10,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.92 : 25,213.44 = 6,943.04 : x
  2. Step 2: Convert to fraction form
    16,809.92/25,213.44 = 6,943.04/x
  3. Step 3: Cross multiply
    16,809.92x = 25,213.44 × 6,943.04
  4. Step 4: Simplify right side
    16,809.92x = 175,057,922.46
  5. Step 5: Solve for x
    x = 175,057,922.46/16,809.92
  6. Step 6: Final answer
    x = 10,413.97

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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.