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Finding the Fourth Proportional to 17,490.23, 26,243.07 and 9,168.26

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Solution

The fourth proportional to 17,490.23, 26,243.07 and 9,168.26 is: 13,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.23 : 26,243.07 = 9,168.26 : x
  2. Step 2: Convert to fraction form
    17,490.23/26,243.07 = 9,168.26/x
  3. Step 3: Cross multiply
    17,490.23x = 26,243.07 × 9,168.26
  4. Step 4: Simplify right side
    17,490.23x = 240,603,157.74
  5. Step 5: Solve for x
    x = 240,603,157.74/17,490.23
  6. Step 6: Final answer
    x = 13,756.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.