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Finding the Fourth Proportional to 17,697.44, 26,550.48 and 5,385.44

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Solution

The fourth proportional to 17,697.44, 26,550.48 and 5,385.44 is: 8,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.44 : 26,550.48 = 5,385.44 : x
  2. Step 2: Convert to fraction form
    17,697.44/26,550.48 = 5,385.44/x
  3. Step 3: Cross multiply
    17,697.44x = 26,550.48 × 5,385.44
  4. Step 4: Simplify right side
    17,697.44x = 142,986,017.01
  5. Step 5: Solve for x
    x = 142,986,017.01/17,697.44
  6. Step 6: Final answer
    x = 8,079.47

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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.