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Finding the Fourth Proportional to 43,674.76, 65,537.54 and 18,372.42

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Solution

The fourth proportional to 43,674.76, 65,537.54 and 18,372.42 is: 27,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.76 : 65,537.54 = 18,372.42 : x
  2. Step 2: Convert to fraction form
    43,674.76/65,537.54 = 18,372.42/x
  3. Step 3: Cross multiply
    43,674.76x = 65,537.54 × 18,372.42
  4. Step 4: Simplify right side
    43,674.76x = 1,204,083,187.68
  5. Step 5: Solve for x
    x = 1,204,083,187.68/43,674.76
  6. Step 6: Final answer
    x = 27,569.31

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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.