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Finding the Fourth Proportional to 11,706.63, 16,155.57 and 6,671.62

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Solution

The fourth proportional to 11,706.63, 16,155.57 and 6,671.62 is: 9,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.63 : 16,155.57 = 6,671.62 : x
  2. Step 2: Convert to fraction form
    11,706.63/16,155.57 = 6,671.62/x
  3. Step 3: Cross multiply
    11,706.63x = 16,155.57 × 6,671.62
  4. Step 4: Simplify right side
    11,706.63x = 107,783,740.73
  5. Step 5: Solve for x
    x = 107,783,740.73/11,706.63
  6. Step 6: Final answer
    x = 9,207.07

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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.