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Finding the Fourth Proportional to 8,604.90, 11,874.78 and 5,022.30

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Solution

The fourth proportional to 8,604.90, 11,874.78 and 5,022.30 is: 6,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.90 : 11,874.78 = 5,022.30 : x
  2. Step 2: Convert to fraction form
    8,604.90/11,874.78 = 5,022.30/x
  3. Step 3: Cross multiply
    8,604.90x = 11,874.78 × 5,022.30
  4. Step 4: Simplify right side
    8,604.90x = 59,638,707.59
  5. Step 5: Solve for x
    x = 59,638,707.59/8,604.90
  6. Step 6: Final answer
    x = 6,930.78

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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.