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Finding the Fourth Proportional to 11,058.56, 16,591.10 and 4,489.48

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Solution

The fourth proportional to 11,058.56, 16,591.10 and 4,489.48 is: 6,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.56 : 16,591.10 = 4,489.48 : x
  2. Step 2: Convert to fraction form
    11,058.56/16,591.10 = 4,489.48/x
  3. Step 3: Cross multiply
    11,058.56x = 16,591.10 × 4,489.48
  4. Step 4: Simplify right side
    11,058.56x = 74,485,411.63
  5. Step 5: Solve for x
    x = 74,485,411.63/11,058.56
  6. Step 6: Final answer
    x = 6,735.54

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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.