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Finding the Fourth Proportional to 7,847.54, 11,771.23 and 2,375.54

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Solution

The fourth proportional to 7,847.54, 11,771.23 and 2,375.54 is: 3,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.54 : 11,771.23 = 2,375.54 : x
  2. Step 2: Convert to fraction form
    7,847.54/11,771.23 = 2,375.54/x
  3. Step 3: Cross multiply
    7,847.54x = 11,771.23 × 2,375.54
  4. Step 4: Simplify right side
    7,847.54x = 27,963,027.71
  5. Step 5: Solve for x
    x = 27,963,027.71/7,847.54
  6. Step 6: Final answer
    x = 3,563.29

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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.