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Finding the Fourth Proportional to 6,376.51, 8,795.91 and 3,982.32

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Solution

The fourth proportional to 6,376.51, 8,795.91 and 3,982.32 is: 5,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.51 : 8,795.91 = 3,982.32 : x
  2. Step 2: Convert to fraction form
    6,376.51/8,795.91 = 3,982.32/x
  3. Step 3: Cross multiply
    6,376.51x = 8,795.91 × 3,982.32
  4. Step 4: Simplify right side
    6,376.51x = 35,028,084.33
  5. Step 5: Solve for x
    x = 35,028,084.33/6,376.51
  6. Step 6: Final answer
    x = 5,493.30

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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.