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Finding the Fourth Proportional to 57,912.03, 86,883.03 and 16,359.03

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Solution

The fourth proportional to 57,912.03, 86,883.03 and 16,359.03 is: 24,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912.03 : 86,883.03 = 16,359.03 : x
  2. Step 2: Convert to fraction form
    57,912.03/86,883.03 = 16,359.03/x
  3. Step 3: Cross multiply
    57,912.03x = 86,883.03 × 16,359.03
  4. Step 4: Simplify right side
    57,912.03x = 1,421,322,094.26
  5. Step 5: Solve for x
    x = 1,421,322,094.26/57,912.03
  6. Step 6: Final answer
    x = 24,542.78

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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.