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Finding the Fourth Proportional to 2,797.81, 4,196.50 and 850.03

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Solution

The fourth proportional to 2,797.81, 4,196.50 and 850.03 is: 1,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.81 : 4,196.50 = 850.03 : x
  2. Step 2: Convert to fraction form
    2,797.81/4,196.50 = 850.03/x
  3. Step 3: Cross multiply
    2,797.81x = 4,196.50 × 850.03
  4. Step 4: Simplify right side
    2,797.81x = 3,567,138.28
  5. Step 5: Solve for x
    x = 3,567,138.28/2,797.81
  6. Step 6: Final answer
    x = 1,274.98

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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.