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Finding the Fourth Proportional to 4,937.36, 7,392.36 and 3,945.44

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Solution

The fourth proportional to 4,937.36, 7,392.36 and 3,945.44 is: 5,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.36 : 7,392.36 = 3,945.44 : x
  2. Step 2: Convert to fraction form
    4,937.36/7,392.36 = 3,945.44/x
  3. Step 3: Cross multiply
    4,937.36x = 7,392.36 × 3,945.44
  4. Step 4: Simplify right side
    4,937.36x = 29,166,112.84
  5. Step 5: Solve for x
    x = 29,166,112.84/4,937.36
  6. Step 6: Final answer
    x = 5,907.23

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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.