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Finding the Fourth Proportional to 33,755.52, 46,580.52 and 20,331.12

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Solution

The fourth proportional to 33,755.52, 46,580.52 and 20,331.12 is: 28,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.52 : 46,580.52 = 20,331.12 : x
  2. Step 2: Convert to fraction form
    33,755.52/46,580.52 = 20,331.12/x
  3. Step 3: Cross multiply
    33,755.52x = 46,580.52 × 20,331.12
  4. Step 4: Simplify right side
    33,755.52x = 947,034,141.78
  5. Step 5: Solve for x
    x = 947,034,141.78/33,755.52
  6. Step 6: Final answer
    x = 28,055.68

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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.