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Finding the Fourth Proportional to 6,342.92, 8,759.04 and 4,768.28

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Solution

The fourth proportional to 6,342.92, 8,759.04 and 4,768.28 is: 6,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.92 : 8,759.04 = 4,768.28 : x
  2. Step 2: Convert to fraction form
    6,342.92/8,759.04 = 4,768.28/x
  3. Step 3: Cross multiply
    6,342.92x = 8,759.04 × 4,768.28
  4. Step 4: Simplify right side
    6,342.92x = 41,765,555.25
  5. Step 5: Solve for x
    x = 41,765,555.25/6,342.92
  6. Step 6: Final answer
    x = 6,584.59

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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.