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Finding the Fourth Proportional to 16,792.92, 25,163.73 and 8,449.65

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Solution

The fourth proportional to 16,792.92, 25,163.73 and 8,449.65 is: 12,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,792.92 : 25,163.73 = 8,449.65 : x
  2. Step 2: Convert to fraction form
    16,792.92/25,163.73 = 8,449.65/x
  3. Step 3: Cross multiply
    16,792.92x = 25,163.73 × 8,449.65
  4. Step 4: Simplify right side
    16,792.92x = 212,624,711.19
  5. Step 5: Solve for x
    x = 212,624,711.19/16,792.92
  6. Step 6: Final answer
    x = 12,661.57

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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.