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Finding the Fourth Proportional to 7,266.98, 10,891.33 and 3,935.10

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Solution

The fourth proportional to 7,266.98, 10,891.33 and 3,935.10 is: 5,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.98 : 10,891.33 = 3,935.10 : x
  2. Step 2: Convert to fraction form
    7,266.98/10,891.33 = 3,935.10/x
  3. Step 3: Cross multiply
    7,266.98x = 10,891.33 × 3,935.10
  4. Step 4: Simplify right side
    7,266.98x = 42,858,472.68
  5. Step 5: Solve for x
    x = 42,858,472.68/7,266.98
  6. Step 6: Final answer
    x = 5,897.70

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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.