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Finding the Fourth Proportional to 57,063.06, 78,741.72 and 33,189.39

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Solution

The fourth proportional to 57,063.06, 78,741.72 and 33,189.39 is: 45,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.06 : 78,741.72 = 33,189.39 : x
  2. Step 2: Convert to fraction form
    57,063.06/78,741.72 = 33,189.39/x
  3. Step 3: Cross multiply
    57,063.06x = 78,741.72 × 33,189.39
  4. Step 4: Simplify right side
    57,063.06x = 2,613,389,654.35
  5. Step 5: Solve for x
    x = 2,613,389,654.35/57,063.06
  6. Step 6: Final answer
    x = 45,798.27

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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.