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Finding the Fourth Proportional to 3,908.07, 5,853.42 and 2,795.42

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Solution

The fourth proportional to 3,908.07, 5,853.42 and 2,795.42 is: 4,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.07 : 5,853.42 = 2,795.42 : x
  2. Step 2: Convert to fraction form
    3,908.07/5,853.42 = 2,795.42/x
  3. Step 3: Cross multiply
    3,908.07x = 5,853.42 × 2,795.42
  4. Step 4: Simplify right side
    3,908.07x = 16,362,738.07
  5. Step 5: Solve for x
    x = 16,362,738.07/3,908.07
  6. Step 6: Final answer
    x = 4,186.91

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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.