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Finding the Fourth Proportional to 3,851.19, 5,769.90 and 3,297.96

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Solution

The fourth proportional to 3,851.19, 5,769.90 and 3,297.96 is: 4,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.19 : 5,769.90 = 3,297.96 : x
  2. Step 2: Convert to fraction form
    3,851.19/5,769.90 = 3,297.96/x
  3. Step 3: Cross multiply
    3,851.19x = 5,769.90 × 3,297.96
  4. Step 4: Simplify right side
    3,851.19x = 19,028,899.40
  5. Step 5: Solve for x
    x = 19,028,899.40/3,851.19
  6. Step 6: Final answer
    x = 4,941.04

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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.