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Finding the Fourth Proportional to 17,892.80, 26,843.84 and 6,799.68

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Solution

The fourth proportional to 17,892.80, 26,843.84 and 6,799.68 is: 10,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.80 : 26,843.84 = 6,799.68 : x
  2. Step 2: Convert to fraction form
    17,892.80/26,843.84 = 6,799.68/x
  3. Step 3: Cross multiply
    17,892.80x = 26,843.84 × 6,799.68
  4. Step 4: Simplify right side
    17,892.80x = 182,529,521.97
  5. Step 5: Solve for x
    x = 182,529,521.97/17,892.80
  6. Step 6: Final answer
    x = 10,201.28

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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.