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Finding the Fourth Proportional to 8,766.54, 12,097.80 and 4,787.64

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Solution

The fourth proportional to 8,766.54, 12,097.80 and 4,787.64 is: 6,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.54 : 12,097.80 = 4,787.64 : x
  2. Step 2: Convert to fraction form
    8,766.54/12,097.80 = 4,787.64/x
  3. Step 3: Cross multiply
    8,766.54x = 12,097.80 × 4,787.64
  4. Step 4: Simplify right side
    8,766.54x = 57,919,911.19
  5. Step 5: Solve for x
    x = 57,919,911.19/8,766.54
  6. Step 6: Final answer
    x = 6,606.93

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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.