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Finding the Fourth Proportional to 5,973.92, 8,243.84 and 3,321.28

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Solution

The fourth proportional to 5,973.92, 8,243.84 and 3,321.28 is: 4,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.92 : 8,243.84 = 3,321.28 : x
  2. Step 2: Convert to fraction form
    5,973.92/8,243.84 = 3,321.28/x
  3. Step 3: Cross multiply
    5,973.92x = 8,243.84 × 3,321.28
  4. Step 4: Simplify right side
    5,973.92x = 27,380,100.92
  5. Step 5: Solve for x
    x = 27,380,100.92/5,973.92
  6. Step 6: Final answer
    x = 4,583.27

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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.