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Finding the Fourth Proportional to 43,573.68, 65,237.37 and 27,739.50

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Solution

The fourth proportional to 43,573.68, 65,237.37 and 27,739.50 is: 41,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.68 : 65,237.37 = 27,739.50 : x
  2. Step 2: Convert to fraction form
    43,573.68/65,237.37 = 27,739.50/x
  3. Step 3: Cross multiply
    43,573.68x = 65,237.37 × 27,739.50
  4. Step 4: Simplify right side
    43,573.68x = 1,809,652,025.12
  5. Step 5: Solve for x
    x = 1,809,652,025.12/43,573.68
  6. Step 6: Final answer
    x = 41,530.85

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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.