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Finding the Fourth Proportional to 3,266.33, 4,507.65 and 1,940.15

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Solution

The fourth proportional to 3,266.33, 4,507.65 and 1,940.15 is: 2,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.33 : 4,507.65 = 1,940.15 : x
  2. Step 2: Convert to fraction form
    3,266.33/4,507.65 = 1,940.15/x
  3. Step 3: Cross multiply
    3,266.33x = 4,507.65 × 1,940.15
  4. Step 4: Simplify right side
    3,266.33x = 8,745,528.42
  5. Step 5: Solve for x
    x = 8,745,528.42/3,266.33
  6. Step 6: Final answer
    x = 2,677.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.