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Finding the Fourth Proportional to 2,333.22, 3,499.83 and 689.82

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Solution

The fourth proportional to 2,333.22, 3,499.83 and 689.82 is: 1,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.22 : 3,499.83 = 689.82 : x
  2. Step 2: Convert to fraction form
    2,333.22/3,499.83 = 689.82/x
  3. Step 3: Cross multiply
    2,333.22x = 3,499.83 × 689.82
  4. Step 4: Simplify right side
    2,333.22x = 2,414,252.73
  5. Step 5: Solve for x
    x = 2,414,252.73/2,333.22
  6. Step 6: Final answer
    x = 1,034.73

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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.