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Finding the Fourth Proportional to 17,795.64, 26,690.01 and 8,305.32

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Solution

The fourth proportional to 17,795.64, 26,690.01 and 8,305.32 is: 12,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,795.64 : 26,690.01 = 8,305.32 : x
  2. Step 2: Convert to fraction form
    17,795.64/26,690.01 = 8,305.32/x
  3. Step 3: Cross multiply
    17,795.64x = 26,690.01 × 8,305.32
  4. Step 4: Simplify right side
    17,795.64x = 221,669,073.85
  5. Step 5: Solve for x
    x = 221,669,073.85/17,795.64
  6. Step 6: Final answer
    x = 12,456.37

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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.