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Finding the Fourth Proportional to 19,483.88, 29,221.50 and 11,694.92

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Solution

The fourth proportional to 19,483.88, 29,221.50 and 11,694.92 is: 17,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.88 : 29,221.50 = 11,694.92 : x
  2. Step 2: Convert to fraction form
    19,483.88/29,221.50 = 11,694.92/x
  3. Step 3: Cross multiply
    19,483.88x = 29,221.50 × 11,694.92
  4. Step 4: Simplify right side
    19,483.88x = 341,743,104.78
  5. Step 5: Solve for x
    x = 341,743,104.78/19,483.88
  6. Step 6: Final answer
    x = 17,539.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.