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Finding the Fourth Proportional to 6,349.92, 8,765.22 and 5,168.94

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Solution

The fourth proportional to 6,349.92, 8,765.22 and 5,168.94 is: 7,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.92 : 8,765.22 = 5,168.94 : x
  2. Step 2: Convert to fraction form
    6,349.92/8,765.22 = 5,168.94/x
  3. Step 3: Cross multiply
    6,349.92x = 8,765.22 × 5,168.94
  4. Step 4: Simplify right side
    6,349.92x = 45,306,896.27
  5. Step 5: Solve for x
    x = 45,306,896.27/6,349.92
  6. Step 6: Final answer
    x = 7,135.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.