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Finding the Fourth Proportional to 17,640.54, 24,339.02 and 11,356.56

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Solution

The fourth proportional to 17,640.54, 24,339.02 and 11,356.56 is: 15,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.54 : 24,339.02 = 11,356.56 : x
  2. Step 2: Convert to fraction form
    17,640.54/24,339.02 = 11,356.56/x
  3. Step 3: Cross multiply
    17,640.54x = 24,339.02 × 11,356.56
  4. Step 4: Simplify right side
    17,640.54x = 276,407,484.19
  5. Step 5: Solve for x
    x = 276,407,484.19/17,640.54
  6. Step 6: Final answer
    x = 15,668.88

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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.