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Finding the Fourth Proportional to 8,791.63, 13,188.94 and 3,245.00

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Solution

The fourth proportional to 8,791.63, 13,188.94 and 3,245.00 is: 4,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.63 : 13,188.94 = 3,245.00 : x
  2. Step 2: Convert to fraction form
    8,791.63/13,188.94 = 3,245.00/x
  3. Step 3: Cross multiply
    8,791.63x = 13,188.94 × 3,245.00
  4. Step 4: Simplify right side
    8,791.63x = 42,798,096.45
  5. Step 5: Solve for x
    x = 42,798,096.45/8,791.63
  6. Step 6: Final answer
    x = 4,868.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.