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Finding the Fourth Proportional to 17,891.70, 26,844.60 and 6,801.32

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Solution

The fourth proportional to 17,891.70, 26,844.60 and 6,801.32 is: 10,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.70 : 26,844.60 = 6,801.32 : x
  2. Step 2: Convert to fraction form
    17,891.70/26,844.60 = 6,801.32/x
  3. Step 3: Cross multiply
    17,891.70x = 26,844.60 × 6,801.32
  4. Step 4: Simplify right side
    17,891.70x = 182,578,714.87
  5. Step 5: Solve for x
    x = 182,578,714.87/17,891.70
  6. Step 6: Final answer
    x = 10,204.66

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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.