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Finding the Fourth Proportional to 17,836.62, 26,754.90 and 5,356.62

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Solution

The fourth proportional to 17,836.62, 26,754.90 and 5,356.62 is: 8,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,836.62 : 26,754.90 = 5,356.62 : x
  2. Step 2: Convert to fraction form
    17,836.62/26,754.90 = 5,356.62/x
  3. Step 3: Cross multiply
    17,836.62x = 26,754.90 × 5,356.62
  4. Step 4: Simplify right side
    17,836.62x = 143,315,832.44
  5. Step 5: Solve for x
    x = 143,315,832.44/17,836.62
  6. Step 6: Final answer
    x = 8,034.92

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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.