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Finding the Fourth Proportional to 13,274.84, 19,912.23 and 3,414.10

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Solution

The fourth proportional to 13,274.84, 19,912.23 and 3,414.10 is: 5,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.84 : 19,912.23 = 3,414.10 : x
  2. Step 2: Convert to fraction form
    13,274.84/19,912.23 = 3,414.10/x
  3. Step 3: Cross multiply
    13,274.84x = 19,912.23 × 3,414.10
  4. Step 4: Simplify right side
    13,274.84x = 67,982,332.00
  5. Step 5: Solve for x
    x = 67,982,332.00/13,274.84
  6. Step 6: Final answer
    x = 5,121.14

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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.