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Finding the Fourth Proportional to 3,952.63, 5,928.48 and 2,651.35

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Solution

The fourth proportional to 3,952.63, 5,928.48 and 2,651.35 is: 3,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.63 : 5,928.48 = 2,651.35 : x
  2. Step 2: Convert to fraction form
    3,952.63/5,928.48 = 2,651.35/x
  3. Step 3: Cross multiply
    3,952.63x = 5,928.48 × 2,651.35
  4. Step 4: Simplify right side
    3,952.63x = 15,718,475.45
  5. Step 5: Solve for x
    x = 15,718,475.45/3,952.63
  6. Step 6: Final answer
    x = 3,976.71

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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.