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Finding the Fourth Proportional to 17,690.44, 26,537.52 and 8,807.97

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Solution

The fourth proportional to 17,690.44, 26,537.52 and 8,807.97 is: 13,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.44 : 26,537.52 = 8,807.97 : x
  2. Step 2: Convert to fraction form
    17,690.44/26,537.52 = 8,807.97/x
  3. Step 3: Cross multiply
    17,690.44x = 26,537.52 × 8,807.97
  4. Step 4: Simplify right side
    17,690.44x = 233,741,812.58
  5. Step 5: Solve for x
    x = 233,741,812.58/17,690.44
  6. Step 6: Final answer
    x = 13,212.89

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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.