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Finding the Fourth Proportional to 7,052.09, 9,731.22 and 3,908.21

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Solution

The fourth proportional to 7,052.09, 9,731.22 and 3,908.21 is: 5,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.09 : 9,731.22 = 3,908.21 : x
  2. Step 2: Convert to fraction form
    7,052.09/9,731.22 = 3,908.21/x
  3. Step 3: Cross multiply
    7,052.09x = 9,731.22 × 3,908.21
  4. Step 4: Simplify right side
    7,052.09x = 38,031,651.32
  5. Step 5: Solve for x
    x = 38,031,651.32/7,052.09
  6. Step 6: Final answer
    x = 5,392.96

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