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Finding the Fourth Proportional to 29,376.60, 44,067.60 and 11,842.80

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Solution

The fourth proportional to 29,376.60, 44,067.60 and 11,842.80 is: 17,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.60 : 44,067.60 = 11,842.80 : x
  2. Step 2: Convert to fraction form
    29,376.60/44,067.60 = 11,842.80/x
  3. Step 3: Cross multiply
    29,376.60x = 44,067.60 × 11,842.80
  4. Step 4: Simplify right side
    29,376.60x = 521,883,773.28
  5. Step 5: Solve for x
    x = 521,883,773.28/29,376.60
  6. Step 6: Final answer
    x = 17,765.29

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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.