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Finding the Fourth Proportional to 43,850.57, 65,804.00 and 43,493.86

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Solution

The fourth proportional to 43,850.57, 65,804.00 and 43,493.86 is: 65,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.57 : 65,804.00 = 43,493.86 : x
  2. Step 2: Convert to fraction form
    43,850.57/65,804.00 = 43,493.86/x
  3. Step 3: Cross multiply
    43,850.57x = 65,804.00 × 43,493.86
  4. Step 4: Simplify right side
    43,850.57x = 2,862,069,828.23
  5. Step 5: Solve for x
    x = 2,862,069,828.23/43,850.57
  6. Step 6: Final answer
    x = 65,268.71

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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.