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Finding the Fourth Proportional to 16,634.54, 22,945.47 and 11,331.74

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Solution

The fourth proportional to 16,634.54, 22,945.47 and 11,331.74 is: 15,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,634.54 : 22,945.47 = 11,331.74 : x
  2. Step 2: Convert to fraction form
    16,634.54/22,945.47 = 11,331.74/x
  3. Step 3: Cross multiply
    16,634.54x = 22,945.47 × 11,331.74
  4. Step 4: Simplify right side
    16,634.54x = 260,012,100.22
  5. Step 5: Solve for x
    x = 260,012,100.22/16,634.54
  6. Step 6: Final answer
    x = 15,630.86

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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.