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Finding the Fourth Proportional to 8,622.57, 11,899.16 and 4,896.57

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Solution

The fourth proportional to 8,622.57, 11,899.16 and 4,896.57 is: 6,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.57 : 11,899.16 = 4,896.57 : x
  2. Step 2: Convert to fraction form
    8,622.57/11,899.16 = 4,896.57/x
  3. Step 3: Cross multiply
    8,622.57x = 11,899.16 × 4,896.57
  4. Step 4: Simplify right side
    8,622.57x = 58,265,045.40
  5. Step 5: Solve for x
    x = 58,265,045.40/8,622.57
  6. Step 6: Final answer
    x = 6,757.27

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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.