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Finding the Fourth Proportional to 7,304.89, 10,962.20 and 2,687.89

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Solution

The fourth proportional to 7,304.89, 10,962.20 and 2,687.89 is: 4,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.89 : 10,962.20 = 2,687.89 : x
  2. Step 2: Convert to fraction form
    7,304.89/10,962.20 = 2,687.89/x
  3. Step 3: Cross multiply
    7,304.89x = 10,962.20 × 2,687.89
  4. Step 4: Simplify right side
    7,304.89x = 29,465,187.76
  5. Step 5: Solve for x
    x = 29,465,187.76/7,304.89
  6. Step 6: Final answer
    x = 4,033.63

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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.