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Finding the Fourth Proportional to 36,832.80, 55,270.80 and 13,461.60

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Solution

The fourth proportional to 36,832.80, 55,270.80 and 13,461.60 is: 20,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,832.80 : 55,270.80 = 13,461.60 : x
  2. Step 2: Convert to fraction form
    36,832.80/55,270.80 = 13,461.60/x
  3. Step 3: Cross multiply
    36,832.80x = 55,270.80 × 13,461.60
  4. Step 4: Simplify right side
    36,832.80x = 744,033,401.28
  5. Step 5: Solve for x
    x = 744,033,401.28/36,832.80
  6. Step 6: Final answer
    x = 20,200.29

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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.