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Finding the Fourth Proportional to 8,466.73, 11,671.29 and 5,629.10

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Solution

The fourth proportional to 8,466.73, 11,671.29 and 5,629.10 is: 7,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.73 : 11,671.29 = 5,629.10 : x
  2. Step 2: Convert to fraction form
    8,466.73/11,671.29 = 5,629.10/x
  3. Step 3: Cross multiply
    8,466.73x = 11,671.29 × 5,629.10
  4. Step 4: Simplify right side
    8,466.73x = 65,698,800.18
  5. Step 5: Solve for x
    x = 65,698,800.18/8,466.73
  6. Step 6: Final answer
    x = 7,759.65

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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.