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Finding the Fourth Proportional to 2,699.35, 4,049.02 and 850.62

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Solution

The fourth proportional to 2,699.35, 4,049.02 and 850.62 is: 1,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.35 : 4,049.02 = 850.62 : x
  2. Step 2: Convert to fraction form
    2,699.35/4,049.02 = 850.62/x
  3. Step 3: Cross multiply
    2,699.35x = 4,049.02 × 850.62
  4. Step 4: Simplify right side
    2,699.35x = 3,444,177.39
  5. Step 5: Solve for x
    x = 3,444,177.39/2,699.35
  6. Step 6: Final answer
    x = 1,275.93

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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.