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Finding the Fourth Proportional to 4,795.78, 7,192.16 and 2,021.94

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Solution

The fourth proportional to 4,795.78, 7,192.16 and 2,021.94 is: 3,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.78 : 7,192.16 = 2,021.94 : x
  2. Step 2: Convert to fraction form
    4,795.78/7,192.16 = 2,021.94/x
  3. Step 3: Cross multiply
    4,795.78x = 7,192.16 × 2,021.94
  4. Step 4: Simplify right side
    4,795.78x = 14,542,115.99
  5. Step 5: Solve for x
    x = 14,542,115.99/4,795.78
  6. Step 6: Final answer
    x = 3,032.27

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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.