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Finding the Fourth Proportional to 17,379.23, 23,983.43 and 9,421.44

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Solution

The fourth proportional to 17,379.23, 23,983.43 and 9,421.44 is: 13,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.23 : 23,983.43 = 9,421.44 : x
  2. Step 2: Convert to fraction form
    17,379.23/23,983.43 = 9,421.44/x
  3. Step 3: Cross multiply
    17,379.23x = 23,983.43 × 9,421.44
  4. Step 4: Simplify right side
    17,379.23x = 225,958,470.29
  5. Step 5: Solve for x
    x = 225,958,470.29/17,379.23
  6. Step 6: Final answer
    x = 13,001.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.