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Finding the Fourth Proportional to 4,257.92, 6,387.14 and 1,336.34

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Solution

The fourth proportional to 4,257.92, 6,387.14 and 1,336.34 is: 2,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.92 : 6,387.14 = 1,336.34 : x
  2. Step 2: Convert to fraction form
    4,257.92/6,387.14 = 1,336.34/x
  3. Step 3: Cross multiply
    4,257.92x = 6,387.14 × 1,336.34
  4. Step 4: Simplify right side
    4,257.92x = 8,535,362.07
  5. Step 5: Solve for x
    x = 8,535,362.07/4,257.92
  6. Step 6: Final answer
    x = 2,004.59

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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.