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Finding the Fourth Proportional to 3,892.34, 5,838.42 and 1,295.30

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Solution

The fourth proportional to 3,892.34, 5,838.42 and 1,295.30 is: 1,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.34 : 5,838.42 = 1,295.30 : x
  2. Step 2: Convert to fraction form
    3,892.34/5,838.42 = 1,295.30/x
  3. Step 3: Cross multiply
    3,892.34x = 5,838.42 × 1,295.30
  4. Step 4: Simplify right side
    3,892.34x = 7,562,505.43
  5. Step 5: Solve for x
    x = 7,562,505.43/3,892.34
  6. Step 6: Final answer
    x = 1,942.92

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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.