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Finding the Fourth Proportional to 36,346.55, 54,519.80 and 11,388.56

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Solution

The fourth proportional to 36,346.55, 54,519.80 and 11,388.56 is: 17,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,346.55 : 54,519.80 = 11,388.56 : x
  2. Step 2: Convert to fraction form
    36,346.55/54,519.80 = 11,388.56/x
  3. Step 3: Cross multiply
    36,346.55x = 54,519.80 × 11,388.56
  4. Step 4: Simplify right side
    36,346.55x = 620,901,837.51
  5. Step 5: Solve for x
    x = 620,901,837.51/36,346.55
  6. Step 6: Final answer
    x = 17,082.83

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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.