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Finding the Fourth Proportional to 17,627.45, 26,430.52 and 8,269.52

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Solution

The fourth proportional to 17,627.45, 26,430.52 and 8,269.52 is: 12,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.45 : 26,430.52 = 8,269.52 : x
  2. Step 2: Convert to fraction form
    17,627.45/26,430.52 = 8,269.52/x
  3. Step 3: Cross multiply
    17,627.45x = 26,430.52 × 8,269.52
  4. Step 4: Simplify right side
    17,627.45x = 218,567,540.25
  5. Step 5: Solve for x
    x = 218,567,540.25/17,627.45
  6. Step 6: Final answer
    x = 12,399.28

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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.