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Finding the Fourth Proportional to 8,765.52, 12,096.78 and 4,787.04

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Solution

The fourth proportional to 8,765.52, 12,096.78 and 4,787.04 is: 6,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.52 : 12,096.78 = 4,787.04 : x
  2. Step 2: Convert to fraction form
    8,765.52/12,096.78 = 4,787.04/x
  3. Step 3: Cross multiply
    8,765.52x = 12,096.78 × 4,787.04
  4. Step 4: Simplify right side
    8,765.52x = 57,907,769.73
  5. Step 5: Solve for x
    x = 57,907,769.73/8,765.52
  6. Step 6: Final answer
    x = 6,606.31

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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.