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Finding the Fourth Proportional to 35,771.44, 49,363.62 and 19,855.48

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Solution

The fourth proportional to 35,771.44, 49,363.62 and 19,855.48 is: 27,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.44 : 49,363.62 = 19,855.48 : x
  2. Step 2: Convert to fraction form
    35,771.44/49,363.62 = 19,855.48/x
  3. Step 3: Cross multiply
    35,771.44x = 49,363.62 × 19,855.48
  4. Step 4: Simplify right side
    35,771.44x = 980,138,369.64
  5. Step 5: Solve for x
    x = 980,138,369.64/35,771.44
  6. Step 6: Final answer
    x = 27,400.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.