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Finding the Fourth Proportional to 11,698.88, 17,542.85 and 3,902.22

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Solution

The fourth proportional to 11,698.88, 17,542.85 and 3,902.22 is: 5,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.88 : 17,542.85 = 3,902.22 : x
  2. Step 2: Convert to fraction form
    11,698.88/17,542.85 = 3,902.22/x
  3. Step 3: Cross multiply
    11,698.88x = 17,542.85 × 3,902.22
  4. Step 4: Simplify right side
    11,698.88x = 68,456,040.62
  5. Step 5: Solve for x
    x = 68,456,040.62/11,698.88
  6. Step 6: Final answer
    x = 5,851.51

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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.