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Finding the Fourth Proportional to 17,889.72, 24,687.72 and 9,823.53

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Solution

The fourth proportional to 17,889.72, 24,687.72 and 9,823.53 is: 13,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.72 : 24,687.72 = 9,823.53 : x
  2. Step 2: Convert to fraction form
    17,889.72/24,687.72 = 9,823.53/x
  3. Step 3: Cross multiply
    17,889.72x = 24,687.72 × 9,823.53
  4. Step 4: Simplify right side
    17,889.72x = 242,520,558.05
  5. Step 5: Solve for x
    x = 242,520,558.05/17,889.72
  6. Step 6: Final answer
    x = 13,556.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.