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Finding the Fourth Proportional to 17,206.71, 25,792.63 and 11,660.61

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Solution

The fourth proportional to 17,206.71, 25,792.63 and 11,660.61 is: 17,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.71 : 25,792.63 = 11,660.61 : x
  2. Step 2: Convert to fraction form
    17,206.71/25,792.63 = 11,660.61/x
  3. Step 3: Cross multiply
    17,206.71x = 25,792.63 × 11,660.61
  4. Step 4: Simplify right side
    17,206.71x = 300,757,799.30
  5. Step 5: Solve for x
    x = 300,757,799.30/17,206.71
  6. Step 6: Final answer
    x = 17,479.10

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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.