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Finding the Fourth Proportional to 3,966.93, 5,940.92 and 2,207.56

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Solution

The fourth proportional to 3,966.93, 5,940.92 and 2,207.56 is: 3,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.93 : 5,940.92 = 2,207.56 : x
  2. Step 2: Convert to fraction form
    3,966.93/5,940.92 = 2,207.56/x
  3. Step 3: Cross multiply
    3,966.93x = 5,940.92 × 2,207.56
  4. Step 4: Simplify right side
    3,966.93x = 13,114,926.32
  5. Step 5: Solve for x
    x = 13,114,926.32/3,966.93
  6. Step 6: Final answer
    x = 3,306.07

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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.