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Finding the Fourth Proportional to 1,674.09, 2,506.46 and 850.59

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Solution

The fourth proportional to 1,674.09, 2,506.46 and 850.59 is: 1,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.09 : 2,506.46 = 850.59 : x
  2. Step 2: Convert to fraction form
    1,674.09/2,506.46 = 850.59/x
  3. Step 3: Cross multiply
    1,674.09x = 2,506.46 × 850.59
  4. Step 4: Simplify right side
    1,674.09x = 2,131,965.56
  5. Step 5: Solve for x
    x = 2,131,965.56/1,674.09
  6. Step 6: Final answer
    x = 1,273.51

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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.