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Finding the Fourth Proportional to 17,130.17, 25,694.76 and 7,763.42

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Solution

The fourth proportional to 17,130.17, 25,694.76 and 7,763.42 is: 11,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.17 : 25,694.76 = 7,763.42 : x
  2. Step 2: Convert to fraction form
    17,130.17/25,694.76 = 7,763.42/x
  3. Step 3: Cross multiply
    17,130.17x = 25,694.76 × 7,763.42
  4. Step 4: Simplify right side
    17,130.17x = 199,479,213.68
  5. Step 5: Solve for x
    x = 199,479,213.68/17,130.17
  6. Step 6: Final answer
    x = 11,644.91

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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.