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Finding the Fourth Proportional to 2,334.70, 3,500.83 and 691.02

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Solution

The fourth proportional to 2,334.70, 3,500.83 and 691.02 is: 1,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.70 : 3,500.83 = 691.02 : x
  2. Step 2: Convert to fraction form
    2,334.70/3,500.83 = 691.02/x
  3. Step 3: Cross multiply
    2,334.70x = 3,500.83 × 691.02
  4. Step 4: Simplify right side
    2,334.70x = 2,419,157.54
  5. Step 5: Solve for x
    x = 2,419,157.54/2,334.70
  6. Step 6: Final answer
    x = 1,036.18

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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.