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Finding the Fourth Proportional to 59,735.80, 89,652.30 and 57,791.80

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Solution

The fourth proportional to 59,735.80, 89,652.30 and 57,791.80 is: 86,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,735.80 : 89,652.30 = 57,791.80 : x
  2. Step 2: Convert to fraction form
    59,735.80/89,652.30 = 57,791.80/x
  3. Step 3: Cross multiply
    59,735.80x = 89,652.30 × 57,791.80
  4. Step 4: Simplify right side
    59,735.80x = 5,181,167,791.14
  5. Step 5: Solve for x
    x = 5,181,167,791.14/59,735.80
  6. Step 6: Final answer
    x = 86,734.72

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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.