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Finding the Fourth Proportional to 3,912.60, 5,873.22 and 3,096.12

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Solution

The fourth proportional to 3,912.60, 5,873.22 and 3,096.12 is: 4,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.60 : 5,873.22 = 3,096.12 : x
  2. Step 2: Convert to fraction form
    3,912.60/5,873.22 = 3,096.12/x
  3. Step 3: Cross multiply
    3,912.60x = 5,873.22 × 3,096.12
  4. Step 4: Simplify right side
    3,912.60x = 18,184,193.91
  5. Step 5: Solve for x
    x = 18,184,193.91/3,912.60
  6. Step 6: Final answer
    x = 4,647.60

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1.5x scale

Why These Related Problems?

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