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Finding the Fourth Proportional to 1,494.06, 2,236.30 and 799

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Solution

The fourth proportional to 1,494.06, 2,236.30 and 799 is: 1,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.06 : 2,236.30 = 799 : x
  2. Step 2: Convert to fraction form
    1,494.06/2,236.30 = 799/x
  3. Step 3: Cross multiply
    1,494.06x = 2,236.30 × 799
  4. Step 4: Simplify right side
    1,494.06x = 1,786,803.70
  5. Step 5: Solve for x
    x = 1,786,803.70/1,494.06
  6. Step 6: Final answer
    x = 1,195.94

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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.