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Finding the Fourth Proportional to 57,804.40, 86,647.50 and 32,791.61

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Solution

The fourth proportional to 57,804.40, 86,647.50 and 32,791.61 is: 49,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.40 : 86,647.50 = 32,791.61 : x
  2. Step 2: Convert to fraction form
    57,804.40/86,647.50 = 32,791.61/x
  3. Step 3: Cross multiply
    57,804.40x = 86,647.50 × 32,791.61
  4. Step 4: Simplify right side
    57,804.40x = 2,841,311,244.09
  5. Step 5: Solve for x
    x = 2,841,311,244.09/57,804.40
  6. Step 6: Final answer
    x = 49,153.89

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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.