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Finding the Fourth Proportional to 19,351.14, 29,039.66 and 7,039.14

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Solution

The fourth proportional to 19,351.14, 29,039.66 and 7,039.14 is: 10,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.14 : 29,039.66 = 7,039.14 : x
  2. Step 2: Convert to fraction form
    19,351.14/29,039.66 = 7,039.14/x
  3. Step 3: Cross multiply
    19,351.14x = 29,039.66 × 7,039.14
  4. Step 4: Simplify right side
    19,351.14x = 204,414,197.10
  5. Step 5: Solve for x
    x = 204,414,197.10/19,351.14
  6. Step 6: Final answer
    x = 10,563.42

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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.