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Finding the Fourth Proportional to 17,022.96, 25,488.96 and 9,997.20

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Solution

The fourth proportional to 17,022.96, 25,488.96 and 9,997.20 is: 14,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.96 : 25,488.96 = 9,997.20 : x
  2. Step 2: Convert to fraction form
    17,022.96/25,488.96 = 9,997.20/x
  3. Step 3: Cross multiply
    17,022.96x = 25,488.96 × 9,997.20
  4. Step 4: Simplify right side
    17,022.96x = 254,818,230.91
  5. Step 5: Solve for x
    x = 254,818,230.91/17,022.96
  6. Step 6: Final answer
    x = 14,969.09

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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.