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Finding the Fourth Proportional to 5,999.28, 8,279 and 3,346.68

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Solution

The fourth proportional to 5,999.28, 8,279 and 3,346.68 is: 4,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.28 : 8,279 = 3,346.68 : x
  2. Step 2: Convert to fraction form
    5,999.28/8,279 = 3,346.68/x
  3. Step 3: Cross multiply
    5,999.28x = 8,279 × 3,346.68
  4. Step 4: Simplify right side
    5,999.28x = 27,707,163.72
  5. Step 5: Solve for x
    x = 27,707,163.72/5,999.28
  6. Step 6: Final answer
    x = 4,618.41

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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.