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Finding the Fourth Proportional to 4,936.92, 7,405.41 and 2,015.52

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Solution

The fourth proportional to 4,936.92, 7,405.41 and 2,015.52 is: 3,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.92 : 7,405.41 = 2,015.52 : x
  2. Step 2: Convert to fraction form
    4,936.92/7,405.41 = 2,015.52/x
  3. Step 3: Cross multiply
    4,936.92x = 7,405.41 × 2,015.52
  4. Step 4: Simplify right side
    4,936.92x = 14,925,751.96
  5. Step 5: Solve for x
    x = 14,925,751.96/4,936.92
  6. Step 6: Final answer
    x = 3,023.29

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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.