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Finding the Fourth Proportional to 4,789.75, 7,181.66 and 2,014.99

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Solution

The fourth proportional to 4,789.75, 7,181.66 and 2,014.99 is: 3,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.75 : 7,181.66 = 2,014.99 : x
  2. Step 2: Convert to fraction form
    4,789.75/7,181.66 = 2,014.99/x
  3. Step 3: Cross multiply
    4,789.75x = 7,181.66 × 2,014.99
  4. Step 4: Simplify right side
    4,789.75x = 14,470,945.05
  5. Step 5: Solve for x
    x = 14,470,945.05/4,789.75
  6. Step 6: Final answer
    x = 3,021.23

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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.