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Finding the Fourth Proportional to 5,495.60, 8,243.40 and 4,183.40

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Solution

The fourth proportional to 5,495.60, 8,243.40 and 4,183.40 is: 6,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.60 : 8,243.40 = 4,183.40 : x
  2. Step 2: Convert to fraction form
    5,495.60/8,243.40 = 4,183.40/x
  3. Step 3: Cross multiply
    5,495.60x = 8,243.40 × 4,183.40
  4. Step 4: Simplify right side
    5,495.60x = 34,485,439.56
  5. Step 5: Solve for x
    x = 34,485,439.56/5,495.60
  6. Step 6: Final answer
    x = 6,275.10

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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.