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Finding the Fourth Proportional to 7,271.97, 10,908.20 and 2,007.38

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Solution

The fourth proportional to 7,271.97, 10,908.20 and 2,007.38 is: 3,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.97 : 10,908.20 = 2,007.38 : x
  2. Step 2: Convert to fraction form
    7,271.97/10,908.20 = 2,007.38/x
  3. Step 3: Cross multiply
    7,271.97x = 10,908.20 × 2,007.38
  4. Step 4: Simplify right side
    7,271.97x = 21,896,882.61
  5. Step 5: Solve for x
    x = 21,896,882.61/7,271.97
  6. Step 6: Final answer
    x = 3,011.13

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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.