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Finding the Fourth Proportional to 3,667, 5,060.46 and 2,011

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Solution

The fourth proportional to 3,667, 5,060.46 and 2,011 is: 2,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667 : 5,060.46 = 2,011 : x
  2. Step 2: Convert to fraction form
    3,667/5,060.46 = 2,011/x
  3. Step 3: Cross multiply
    3,667x = 5,060.46 × 2,011
  4. Step 4: Simplify right side
    3,667x = 10,176,585.06
  5. Step 5: Solve for x
    x = 10,176,585.06/3,667
  6. Step 6: Final answer
    x = 2,775.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.