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Finding the Fourth Proportional to 17,393.43, 26,073 and 11,135.64

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Solution

The fourth proportional to 17,393.43, 26,073 and 11,135.64 is: 16,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.43 : 26,073 = 11,135.64 : x
  2. Step 2: Convert to fraction form
    17,393.43/26,073 = 11,135.64/x
  3. Step 3: Cross multiply
    17,393.43x = 26,073 × 11,135.64
  4. Step 4: Simplify right side
    17,393.43x = 290,339,541.72
  5. Step 5: Solve for x
    x = 290,339,541.72/17,393.43
  6. Step 6: Final answer
    x = 16,692.48

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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.