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Finding the Fourth Proportional to 3,863.08, 5,795.46 and 1,265.92

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Solution

The fourth proportional to 3,863.08, 5,795.46 and 1,265.92 is: 1,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.08 : 5,795.46 = 1,265.92 : x
  2. Step 2: Convert to fraction form
    3,863.08/5,795.46 = 1,265.92/x
  3. Step 3: Cross multiply
    3,863.08x = 5,795.46 × 1,265.92
  4. Step 4: Simplify right side
    3,863.08x = 7,336,588.72
  5. Step 5: Solve for x
    x = 7,336,588.72/3,863.08
  6. Step 6: Final answer
    x = 1,899.16

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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.