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Finding the Fourth Proportional to 3,395.91, 5,094.17 and 930.74

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Solution

The fourth proportional to 3,395.91, 5,094.17 and 930.74 is: 1,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.91 : 5,094.17 = 930.74 : x
  2. Step 2: Convert to fraction form
    3,395.91/5,094.17 = 930.74/x
  3. Step 3: Cross multiply
    3,395.91x = 5,094.17 × 930.74
  4. Step 4: Simplify right side
    3,395.91x = 4,741,362.85
  5. Step 5: Solve for x
    x = 4,741,362.85/3,395.91
  6. Step 6: Final answer
    x = 1,396.20

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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.