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Finding the Fourth Proportional to 17,992.62, 26,989.07 and 6,896.66

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Solution

The fourth proportional to 17,992.62, 26,989.07 and 6,896.66 is: 10,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.62 : 26,989.07 = 6,896.66 : x
  2. Step 2: Convert to fraction form
    17,992.62/26,989.07 = 6,896.66/x
  3. Step 3: Cross multiply
    17,992.62x = 26,989.07 × 6,896.66
  4. Step 4: Simplify right side
    17,992.62x = 186,134,270.08
  5. Step 5: Solve for x
    x = 186,134,270.08/17,992.62
  6. Step 6: Final answer
    x = 10,345.03

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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.