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Finding the Fourth Proportional to 57,588.44, 86,187.60 and 35,415.88

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Solution

The fourth proportional to 57,588.44, 86,187.60 and 35,415.88 is: 53,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.44 : 86,187.60 = 35,415.88 : x
  2. Step 2: Convert to fraction form
    57,588.44/86,187.60 = 35,415.88/x
  3. Step 3: Cross multiply
    57,588.44x = 86,187.60 × 35,415.88
  4. Step 4: Simplify right side
    57,588.44x = 3,052,409,699.09
  5. Step 5: Solve for x
    x = 3,052,409,699.09/57,588.44
  6. Step 6: Final answer
    x = 53,003.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.