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Finding the Fourth Proportional to 34,163.44, 51,277.16 and 21,041.44

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Solution

The fourth proportional to 34,163.44, 51,277.16 and 21,041.44 is: 31,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,163.44 : 51,277.16 = 21,041.44 : x
  2. Step 2: Convert to fraction form
    34,163.44/51,277.16 = 21,041.44/x
  3. Step 3: Cross multiply
    34,163.44x = 51,277.16 × 21,041.44
  4. Step 4: Simplify right side
    34,163.44x = 1,078,945,285.51
  5. Step 5: Solve for x
    x = 1,078,945,285.51/34,163.44
  6. Step 6: Final answer
    x = 31,581.87

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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.