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Finding the Fourth Proportional to 12,334.79, 18,504 and 3,568.56

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Solution

The fourth proportional to 12,334.79, 18,504 and 3,568.56 is: 5,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.79 : 18,504 = 3,568.56 : x
  2. Step 2: Convert to fraction form
    12,334.79/18,504 = 3,568.56/x
  3. Step 3: Cross multiply
    12,334.79x = 18,504 × 3,568.56
  4. Step 4: Simplify right side
    12,334.79x = 66,032,634.24
  5. Step 5: Solve for x
    x = 66,032,634.24/12,334.79
  6. Step 6: Final answer
    x = 5,353.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.