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Finding the Fourth Proportional to 8,983.31, 12,396.60 and 5,004.32

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Solution

The fourth proportional to 8,983.31, 12,396.60 and 5,004.32 is: 6,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.31 : 12,396.60 = 5,004.32 : x
  2. Step 2: Convert to fraction form
    8,983.31/12,396.60 = 5,004.32/x
  3. Step 3: Cross multiply
    8,983.31x = 12,396.60 × 5,004.32
  4. Step 4: Simplify right side
    8,983.31x = 62,036,491.33
  5. Step 5: Solve for x
    x = 62,036,491.33/8,983.31
  6. Step 6: Final answer
    x = 6,905.75

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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.