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Finding the Fourth Proportional to 7,339.92, 11,012.62 and 2,958.62

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Solution

The fourth proportional to 7,339.92, 11,012.62 and 2,958.62 is: 4,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.92 : 11,012.62 = 2,958.62 : x
  2. Step 2: Convert to fraction form
    7,339.92/11,012.62 = 2,958.62/x
  3. Step 3: Cross multiply
    7,339.92x = 11,012.62 × 2,958.62
  4. Step 4: Simplify right side
    7,339.92x = 32,582,157.78
  5. Step 5: Solve for x
    x = 32,582,157.78/7,339.92
  6. Step 6: Final answer
    x = 4,439.03

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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.