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Finding the Fourth Proportional to 7,433.68, 11,152.52 and 2,992.68

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Solution

The fourth proportional to 7,433.68, 11,152.52 and 2,992.68 is: 4,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.68 : 11,152.52 = 2,992.68 : x
  2. Step 2: Convert to fraction form
    7,433.68/11,152.52 = 2,992.68/x
  3. Step 3: Cross multiply
    7,433.68x = 11,152.52 × 2,992.68
  4. Step 4: Simplify right side
    7,433.68x = 33,375,923.55
  5. Step 5: Solve for x
    x = 33,375,923.55/7,433.68
  6. Step 6: Final answer
    x = 4,489.83

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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.