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Finding the Fourth Proportional to 4,835.28, 7,251.64 and 3,251.28

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Solution

The fourth proportional to 4,835.28, 7,251.64 and 3,251.28 is: 4,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.28 : 7,251.64 = 3,251.28 : x
  2. Step 2: Convert to fraction form
    4,835.28/7,251.64 = 3,251.28/x
  3. Step 3: Cross multiply
    4,835.28x = 7,251.64 × 3,251.28
  4. Step 4: Simplify right side
    4,835.28x = 23,577,112.10
  5. Step 5: Solve for x
    x = 23,577,112.10/4,835.28
  6. Step 6: Final answer
    x = 4,876.06

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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.