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Finding the Fourth Proportional to 2,333.62, 3,500.32 and 872.66

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Solution

The fourth proportional to 2,333.62, 3,500.32 and 872.66 is: 1,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.62 : 3,500.32 = 872.66 : x
  2. Step 2: Convert to fraction form
    2,333.62/3,500.32 = 872.66/x
  3. Step 3: Cross multiply
    2,333.62x = 3,500.32 × 872.66
  4. Step 4: Simplify right side
    2,333.62x = 3,054,589.25
  5. Step 5: Solve for x
    x = 3,054,589.25/2,333.62
  6. Step 6: Final answer
    x = 1,308.95

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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.