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Finding the Fourth Proportional to 57,622.56, 86,437.26 and 16,069.56

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Solution

The fourth proportional to 57,622.56, 86,437.26 and 16,069.56 is: 24,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.56 : 86,437.26 = 16,069.56 : x
  2. Step 2: Convert to fraction form
    57,622.56/86,437.26 = 16,069.56/x
  3. Step 3: Cross multiply
    57,622.56x = 86,437.26 × 16,069.56
  4. Step 4: Simplify right side
    57,622.56x = 1,389,008,735.81
  5. Step 5: Solve for x
    x = 1,389,008,735.81/57,622.56
  6. Step 6: Final answer
    x = 24,105.29

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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.