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Finding the Fourth Proportional to 57,472.30, 86,208.37 and 18,032.49

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Solution

The fourth proportional to 57,472.30, 86,208.37 and 18,032.49 is: 27,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.30 : 86,208.37 = 18,032.49 : x
  2. Step 2: Convert to fraction form
    57,472.30/86,208.37 = 18,032.49/x
  3. Step 3: Cross multiply
    57,472.30x = 86,208.37 × 18,032.49
  4. Step 4: Simplify right side
    57,472.30x = 1,554,551,524.86
  5. Step 5: Solve for x
    x = 1,554,551,524.86/57,472.30
  6. Step 6: Final answer
    x = 27,048.71

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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.