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Finding the Fourth Proportional to 2,729.82, 4,094.76 and 677.82

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Solution

The fourth proportional to 2,729.82, 4,094.76 and 677.82 is: 1,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.82 : 4,094.76 = 677.82 : x
  2. Step 2: Convert to fraction form
    2,729.82/4,094.76 = 677.82/x
  3. Step 3: Cross multiply
    2,729.82x = 4,094.76 × 677.82
  4. Step 4: Simplify right side
    2,729.82x = 2,775,510.22
  5. Step 5: Solve for x
    x = 2,775,510.22/2,729.82
  6. Step 6: Final answer
    x = 1,016.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.