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Finding the Fourth Proportional to 5,939.98, 8,912.94 and 2,655.43

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Solution

The fourth proportional to 5,939.98, 8,912.94 and 2,655.43 is: 3,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.98 : 8,912.94 = 2,655.43 : x
  2. Step 2: Convert to fraction form
    5,939.98/8,912.94 = 2,655.43/x
  3. Step 3: Cross multiply
    5,939.98x = 8,912.94 × 2,655.43
  4. Step 4: Simplify right side
    5,939.98x = 23,667,688.26
  5. Step 5: Solve for x
    x = 23,667,688.26/5,939.98
  6. Step 6: Final answer
    x = 3,984.47

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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.