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Finding the Fourth Proportional to 3,672.93, 5,474.39 and 3,465.37

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Solution

The fourth proportional to 3,672.93, 5,474.39 and 3,465.37 is: 5,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.93 : 5,474.39 = 3,465.37 : x
  2. Step 2: Convert to fraction form
    3,672.93/5,474.39 = 3,465.37/x
  3. Step 3: Cross multiply
    3,672.93x = 5,474.39 × 3,465.37
  4. Step 4: Simplify right side
    3,672.93x = 18,970,786.87
  5. Step 5: Solve for x
    x = 18,970,786.87/3,672.93
  6. Step 6: Final answer
    x = 5,165.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.