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Finding the Fourth Proportional to 2,063.82, 3,096.44 and 677.40

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Solution

The fourth proportional to 2,063.82, 3,096.44 and 677.40 is: 1,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.82 : 3,096.44 = 677.40 : x
  2. Step 2: Convert to fraction form
    2,063.82/3,096.44 = 677.40/x
  3. Step 3: Cross multiply
    2,063.82x = 3,096.44 × 677.40
  4. Step 4: Simplify right side
    2,063.82x = 2,097,525.07
  5. Step 5: Solve for x
    x = 2,097,525.07/2,063.82
  6. Step 6: Final answer
    x = 1,016.33

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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.