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Finding the Fourth Proportional to 10,563.95, 15,845.31 and 3,168.54

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Solution

The fourth proportional to 10,563.95, 15,845.31 and 3,168.54 is: 4,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.95 : 15,845.31 = 3,168.54 : x
  2. Step 2: Convert to fraction form
    10,563.95/15,845.31 = 3,168.54/x
  3. Step 3: Cross multiply
    10,563.95x = 15,845.31 × 3,168.54
  4. Step 4: Simplify right side
    10,563.95x = 50,206,498.55
  5. Step 5: Solve for x
    x = 50,206,498.55/10,563.95
  6. Step 6: Final answer
    x = 4,752.62

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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.