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Finding the Fourth Proportional to 17,011.73, 25,520.22 and 8,687.24

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Solution

The fourth proportional to 17,011.73, 25,520.22 and 8,687.24 is: 13,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.73 : 25,520.22 = 8,687.24 : x
  2. Step 2: Convert to fraction form
    17,011.73/25,520.22 = 8,687.24/x
  3. Step 3: Cross multiply
    17,011.73x = 25,520.22 × 8,687.24
  4. Step 4: Simplify right side
    17,011.73x = 221,700,148.39
  5. Step 5: Solve for x
    x = 221,700,148.39/17,011.73
  6. Step 6: Final answer
    x = 13,032.20

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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.