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Finding the Fourth Proportional to 7,495.80, 11,243.70 and 6,183.60

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Solution

The fourth proportional to 7,495.80, 11,243.70 and 6,183.60 is: 9,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.80 : 11,243.70 = 6,183.60 : x
  2. Step 2: Convert to fraction form
    7,495.80/11,243.70 = 6,183.60/x
  3. Step 3: Cross multiply
    7,495.80x = 11,243.70 × 6,183.60
  4. Step 4: Simplify right side
    7,495.80x = 69,526,543.32
  5. Step 5: Solve for x
    x = 69,526,543.32/7,495.80
  6. Step 6: Final answer
    x = 9,275.40

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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.