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Finding the Fourth Proportional to 11,351.26, 17,028.70 and 4,330.99

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Solution

The fourth proportional to 11,351.26, 17,028.70 and 4,330.99 is: 6,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.26 : 17,028.70 = 4,330.99 : x
  2. Step 2: Convert to fraction form
    11,351.26/17,028.70 = 4,330.99/x
  3. Step 3: Cross multiply
    11,351.26x = 17,028.70 × 4,330.99
  4. Step 4: Simplify right side
    11,351.26x = 73,751,044.27
  5. Step 5: Solve for x
    x = 73,751,044.27/11,351.26
  6. Step 6: Final answer
    x = 6,497.17

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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.