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Finding the Fourth Proportional to 11,671.60, 16,107.04 and 6,366.56

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Solution

The fourth proportional to 11,671.60, 16,107.04 and 6,366.56 is: 8,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.60 : 16,107.04 = 6,366.56 : x
  2. Step 2: Convert to fraction form
    11,671.60/16,107.04 = 6,366.56/x
  3. Step 3: Cross multiply
    11,671.60x = 16,107.04 × 6,366.56
  4. Step 4: Simplify right side
    11,671.60x = 102,546,436.58
  5. Step 5: Solve for x
    x = 102,546,436.58/11,671.60
  6. Step 6: Final answer
    x = 8,785.98

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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.