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Finding the Fourth Proportional to 5,728.44, 8,588.28 and 3,968.37

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Solution

The fourth proportional to 5,728.44, 8,588.28 and 3,968.37 is: 5,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.44 : 8,588.28 = 3,968.37 : x
  2. Step 2: Convert to fraction form
    5,728.44/8,588.28 = 3,968.37/x
  3. Step 3: Cross multiply
    5,728.44x = 8,588.28 × 3,968.37
  4. Step 4: Simplify right side
    5,728.44x = 34,081,472.70
  5. Step 5: Solve for x
    x = 34,081,472.70/5,728.44
  6. Step 6: Final answer
    x = 5,949.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.