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Finding the Fourth Proportional to 26,796.31, 40,191.61 and 11,003

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Solution

The fourth proportional to 26,796.31, 40,191.61 and 11,003 is: 16,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,796.31 : 40,191.61 = 11,003 : x
  2. Step 2: Convert to fraction form
    26,796.31/40,191.61 = 11,003/x
  3. Step 3: Cross multiply
    26,796.31x = 40,191.61 × 11,003
  4. Step 4: Simplify right side
    26,796.31x = 442,228,284.83
  5. Step 5: Solve for x
    x = 442,228,284.83/26,796.31
  6. Step 6: Final answer
    x = 16,503.33

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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.