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Finding the Fourth Proportional to 20,640.93, 30,952.10 and 5,846.34

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Solution

The fourth proportional to 20,640.93, 30,952.10 and 5,846.34 is: 8,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640.93 : 30,952.10 = 5,846.34 : x
  2. Step 2: Convert to fraction form
    20,640.93/30,952.10 = 5,846.34/x
  3. Step 3: Cross multiply
    20,640.93x = 30,952.10 × 5,846.34
  4. Step 4: Simplify right side
    20,640.93x = 180,956,471.08
  5. Step 5: Solve for x
    x = 180,956,471.08/20,640.93
  6. Step 6: Final answer
    x = 8,766.88

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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.