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Finding the Fourth Proportional to 11,359.62, 17,039.51 and 3,964.05

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Solution

The fourth proportional to 11,359.62, 17,039.51 and 3,964.05 is: 5,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.62 : 17,039.51 = 3,964.05 : x
  2. Step 2: Convert to fraction form
    11,359.62/17,039.51 = 3,964.05/x
  3. Step 3: Cross multiply
    11,359.62x = 17,039.51 × 3,964.05
  4. Step 4: Simplify right side
    11,359.62x = 67,545,469.62
  5. Step 5: Solve for x
    x = 67,545,469.62/11,359.62
  6. Step 6: Final answer
    x = 5,946.10

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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.