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Finding the Fourth Proportional to 15,324.39, 22,974.89 and 7,924.13

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Solution

The fourth proportional to 15,324.39, 22,974.89 and 7,924.13 is: 11,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.39 : 22,974.89 = 7,924.13 : x
  2. Step 2: Convert to fraction form
    15,324.39/22,974.89 = 7,924.13/x
  3. Step 3: Cross multiply
    15,324.39x = 22,974.89 × 7,924.13
  4. Step 4: Simplify right side
    15,324.39x = 182,055,900.22
  5. Step 5: Solve for x
    x = 182,055,900.22/15,324.39
  6. Step 6: Final answer
    x = 11,880.14

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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.