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Finding the Fourth Proportional to 3,713.82, 5,571.18 and 1,373.42

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Solution

The fourth proportional to 3,713.82, 5,571.18 and 1,373.42 is: 2,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.82 : 5,571.18 = 1,373.42 : x
  2. Step 2: Convert to fraction form
    3,713.82/5,571.18 = 1,373.42/x
  3. Step 3: Cross multiply
    3,713.82x = 5,571.18 × 1,373.42
  4. Step 4: Simplify right side
    3,713.82x = 7,651,583.96
  5. Step 5: Solve for x
    x = 7,651,583.96/3,713.82
  6. Step 6: Final answer
    x = 2,060.30

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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.