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Finding the Fourth Proportional to 7,304.50, 10,950.60 and 2,919.56

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Solution

The fourth proportional to 7,304.50, 10,950.60 and 2,919.56 is: 4,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.50 : 10,950.60 = 2,919.56 : x
  2. Step 2: Convert to fraction form
    7,304.50/10,950.60 = 2,919.56/x
  3. Step 3: Cross multiply
    7,304.50x = 10,950.60 × 2,919.56
  4. Step 4: Simplify right side
    7,304.50x = 31,970,976.17
  5. Step 5: Solve for x
    x = 31,970,976.17/7,304.50
  6. Step 6: Final answer
    x = 4,376.89

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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.