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Finding the Fourth Proportional to 6,807.56, 10,212.92 and 2,912.24

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Solution

The fourth proportional to 6,807.56, 10,212.92 and 2,912.24 is: 4,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.56 : 10,212.92 = 2,912.24 : x
  2. Step 2: Convert to fraction form
    6,807.56/10,212.92 = 2,912.24/x
  3. Step 3: Cross multiply
    6,807.56x = 10,212.92 × 2,912.24
  4. Step 4: Simplify right side
    6,807.56x = 29,742,474.14
  5. Step 5: Solve for x
    x = 29,742,474.14/6,807.56
  6. Step 6: Final answer
    x = 4,369.04

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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.