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Finding the Fourth Proportional to 11,889.44, 17,798.63 and 7,195.25

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Solution

The fourth proportional to 11,889.44, 17,798.63 and 7,195.25 is: 10,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.44 : 17,798.63 = 7,195.25 : x
  2. Step 2: Convert to fraction form
    11,889.44/17,798.63 = 7,195.25/x
  3. Step 3: Cross multiply
    11,889.44x = 17,798.63 × 7,195.25
  4. Step 4: Simplify right side
    11,889.44x = 128,065,467.54
  5. Step 5: Solve for x
    x = 128,065,467.54/11,889.44
  6. Step 6: Final answer
    x = 10,771.37

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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.