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Finding the Fourth Proportional to 5,081.57, 6,996.99 and 4,448.56

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Solution

The fourth proportional to 5,081.57, 6,996.99 and 4,448.56 is: 6,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.57 : 6,996.99 = 4,448.56 : x
  2. Step 2: Convert to fraction form
    5,081.57/6,996.99 = 4,448.56/x
  3. Step 3: Cross multiply
    5,081.57x = 6,996.99 × 4,448.56
  4. Step 4: Simplify right side
    5,081.57x = 31,126,529.83
  5. Step 5: Solve for x
    x = 31,126,529.83/5,081.57
  6. Step 6: Final answer
    x = 6,125.38

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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.