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Finding the Fourth Proportional to 3,296.38, 4,943.62 and 923.92

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Solution

The fourth proportional to 3,296.38, 4,943.62 and 923.92 is: 1,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.38 : 4,943.62 = 923.92 : x
  2. Step 2: Convert to fraction form
    3,296.38/4,943.62 = 923.92/x
  3. Step 3: Cross multiply
    3,296.38x = 4,943.62 × 923.92
  4. Step 4: Simplify right side
    3,296.38x = 4,567,509.39
  5. Step 5: Solve for x
    x = 4,567,509.39/3,296.38
  6. Step 6: Final answer
    x = 1,385.61

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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.