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Finding the Fourth Proportional to 17,183.88, 25,779.60 and 5,498.28

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Solution

The fourth proportional to 17,183.88, 25,779.60 and 5,498.28 is: 8,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.88 : 25,779.60 = 5,498.28 : x
  2. Step 2: Convert to fraction form
    17,183.88/25,779.60 = 5,498.28/x
  3. Step 3: Cross multiply
    17,183.88x = 25,779.60 × 5,498.28
  4. Step 4: Simplify right side
    17,183.88x = 141,743,459.09
  5. Step 5: Solve for x
    x = 141,743,459.09/17,183.88
  6. Step 6: Final answer
    x = 8,248.63

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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.