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Finding the Fourth Proportional to 3,963.04, 5,940.06 and 2,011.12

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Solution

The fourth proportional to 3,963.04, 5,940.06 and 2,011.12 is: 3,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.04 : 5,940.06 = 2,011.12 : x
  2. Step 2: Convert to fraction form
    3,963.04/5,940.06 = 2,011.12/x
  3. Step 3: Cross multiply
    3,963.04x = 5,940.06 × 2,011.12
  4. Step 4: Simplify right side
    3,963.04x = 11,946,173.47
  5. Step 5: Solve for x
    x = 11,946,173.47/3,963.04
  6. Step 6: Final answer
    x = 3,014.40

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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.