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Finding the Fourth Proportional to 6,867.41, 9,477.21 and 3,883.69

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Solution

The fourth proportional to 6,867.41, 9,477.21 and 3,883.69 is: 5,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.41 : 9,477.21 = 3,883.69 : x
  2. Step 2: Convert to fraction form
    6,867.41/9,477.21 = 3,883.69/x
  3. Step 3: Cross multiply
    6,867.41x = 9,477.21 × 3,883.69
  4. Step 4: Simplify right side
    6,867.41x = 36,806,522.01
  5. Step 5: Solve for x
    x = 36,806,522.01/6,867.41
  6. Step 6: Final answer
    x = 5,359.60

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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.