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Finding the Fourth Proportional to 8,058.09, 11,121.09 and 7,799.75

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Solution

The fourth proportional to 8,058.09, 11,121.09 and 7,799.75 is: 10,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.09 : 11,121.09 = 7,799.75 : x
  2. Step 2: Convert to fraction form
    8,058.09/11,121.09 = 7,799.75/x
  3. Step 3: Cross multiply
    8,058.09x = 11,121.09 × 7,799.75
  4. Step 4: Simplify right side
    8,058.09x = 86,741,666.12
  5. Step 5: Solve for x
    x = 86,741,666.12/8,058.09
  6. Step 6: Final answer
    x = 10,764.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.