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Finding the Fourth Proportional to 6,315.82, 8,713.01 and 3,796.45

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Solution

The fourth proportional to 6,315.82, 8,713.01 and 3,796.45 is: 5,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.82 : 8,713.01 = 3,796.45 : x
  2. Step 2: Convert to fraction form
    6,315.82/8,713.01 = 3,796.45/x
  3. Step 3: Cross multiply
    6,315.82x = 8,713.01 × 3,796.45
  4. Step 4: Simplify right side
    6,315.82x = 33,078,494.52
  5. Step 5: Solve for x
    x = 33,078,494.52/6,315.82
  6. Step 6: Final answer
    x = 5,237.41

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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.