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Finding the Fourth Proportional to 3,705.54, 5,561.10 and 1,367.79

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Solution

The fourth proportional to 3,705.54, 5,561.10 and 1,367.79 is: 2,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.54 : 5,561.10 = 1,367.79 : x
  2. Step 2: Convert to fraction form
    3,705.54/5,561.10 = 1,367.79/x
  3. Step 3: Cross multiply
    3,705.54x = 5,561.10 × 1,367.79
  4. Step 4: Simplify right side
    3,705.54x = 7,606,416.97
  5. Step 5: Solve for x
    x = 7,606,416.97/3,705.54
  6. Step 6: Final answer
    x = 2,052.71

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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.