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Finding the Fourth Proportional to 5,583.36, 7,695.36 and 4,183.68

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Solution

The fourth proportional to 5,583.36, 7,695.36 and 4,183.68 is: 5,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.36 : 7,695.36 = 4,183.68 : x
  2. Step 2: Convert to fraction form
    5,583.36/7,695.36 = 4,183.68/x
  3. Step 3: Cross multiply
    5,583.36x = 7,695.36 × 4,183.68
  4. Step 4: Simplify right side
    5,583.36x = 32,194,923.72
  5. Step 5: Solve for x
    x = 32,194,923.72/5,583.36
  6. Step 6: Final answer
    x = 5,766.23

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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.