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Finding the Fourth Proportional to 7,392.33, 11,090.42 and 3,694.41

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Solution

The fourth proportional to 7,392.33, 11,090.42 and 3,694.41 is: 5,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.33 : 11,090.42 = 3,694.41 : x
  2. Step 2: Convert to fraction form
    7,392.33/11,090.42 = 3,694.41/x
  3. Step 3: Cross multiply
    7,392.33x = 11,090.42 × 3,694.41
  4. Step 4: Simplify right side
    7,392.33x = 40,972,558.55
  5. Step 5: Solve for x
    x = 40,972,558.55/7,392.33
  6. Step 6: Final answer
    x = 5,542.58

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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.