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Finding the Fourth Proportional to 11,058.87, 15,255.43 and 6,579.44

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Solution

The fourth proportional to 11,058.87, 15,255.43 and 6,579.44 is: 9,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.87 : 15,255.43 = 6,579.44 : x
  2. Step 2: Convert to fraction form
    11,058.87/15,255.43 = 6,579.44/x
  3. Step 3: Cross multiply
    11,058.87x = 15,255.43 × 6,579.44
  4. Step 4: Simplify right side
    11,058.87x = 100,372,186.36
  5. Step 5: Solve for x
    x = 100,372,186.36/11,058.87
  6. Step 6: Final answer
    x = 9,076.17

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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.