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Finding the Fourth Proportional to 11,058.88, 16,588.32 and 2,850.88

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Solution

The fourth proportional to 11,058.88, 16,588.32 and 2,850.88 is: 4,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.88 : 16,588.32 = 2,850.88 : x
  2. Step 2: Convert to fraction form
    11,058.88/16,588.32 = 2,850.88/x
  3. Step 3: Cross multiply
    11,058.88x = 16,588.32 × 2,850.88
  4. Step 4: Simplify right side
    11,058.88x = 47,291,226.78
  5. Step 5: Solve for x
    x = 47,291,226.78/11,058.88
  6. Step 6: Final answer
    x = 4,276.31

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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.