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Finding the Fourth Proportional to 8,766.68, 12,097.89 and 4,787.71

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Solution

The fourth proportional to 8,766.68, 12,097.89 and 4,787.71 is: 6,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.68 : 12,097.89 = 4,787.71 : x
  2. Step 2: Convert to fraction form
    8,766.68/12,097.89 = 4,787.71/x
  3. Step 3: Cross multiply
    8,766.68x = 12,097.89 × 4,787.71
  4. Step 4: Simplify right side
    8,766.68x = 57,921,158.69
  5. Step 5: Solve for x
    x = 57,921,158.69/8,766.68
  6. Step 6: Final answer
    x = 6,606.97

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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.