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Finding the Fourth Proportional to 19,449.09, 29,172.22 and 7,600.65

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Solution

The fourth proportional to 19,449.09, 29,172.22 and 7,600.65 is: 11,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.09 : 29,172.22 = 7,600.65 : x
  2. Step 2: Convert to fraction form
    19,449.09/29,172.22 = 7,600.65/x
  3. Step 3: Cross multiply
    19,449.09x = 29,172.22 × 7,600.65
  4. Step 4: Simplify right side
    19,449.09x = 221,727,833.94
  5. Step 5: Solve for x
    x = 221,727,833.94/19,449.09
  6. Step 6: Final answer
    x = 11,400.42

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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.