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Finding the Fourth Proportional to 3,285.56, 4,924.20 and 2,873.72

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Solution

The fourth proportional to 3,285.56, 4,924.20 and 2,873.72 is: 4,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.56 : 4,924.20 = 2,873.72 : x
  2. Step 2: Convert to fraction form
    3,285.56/4,924.20 = 2,873.72/x
  3. Step 3: Cross multiply
    3,285.56x = 4,924.20 × 2,873.72
  4. Step 4: Simplify right side
    3,285.56x = 14,150,772.02
  5. Step 5: Solve for x
    x = 14,150,772.02/3,285.56
  6. Step 6: Final answer
    x = 4,306.96

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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.