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Finding the Fourth Proportional to 19,561.37, 29,344.34 and 7,087.27

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Solution

The fourth proportional to 19,561.37, 29,344.34 and 7,087.27 is: 10,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.37 : 29,344.34 = 7,087.27 : x
  2. Step 2: Convert to fraction form
    19,561.37/29,344.34 = 7,087.27/x
  3. Step 3: Cross multiply
    19,561.37x = 29,344.34 × 7,087.27
  4. Step 4: Simplify right side
    19,561.37x = 207,971,151.75
  5. Step 5: Solve for x
    x = 207,971,151.75/19,561.37
  6. Step 6: Final answer
    x = 10,631.73

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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.