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Finding the Fourth Proportional to 5,983.20, 8,257.20 and 3,330.60

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Solution

The fourth proportional to 5,983.20, 8,257.20 and 3,330.60 is: 4,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.20 : 8,257.20 = 3,330.60 : x
  2. Step 2: Convert to fraction form
    5,983.20/8,257.20 = 3,330.60/x
  3. Step 3: Cross multiply
    5,983.20x = 8,257.20 × 3,330.60
  4. Step 4: Simplify right side
    5,983.20x = 27,501,430.32
  5. Step 5: Solve for x
    x = 27,501,430.32/5,983.20
  6. Step 6: Final answer
    x = 4,596.44

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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.