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Finding the Fourth Proportional to 62,996.99, 86,910.90 and 43,871.67

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Solution

The fourth proportional to 62,996.99, 86,910.90 and 43,871.67 is: 60,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,996.99 : 86,910.90 = 43,871.67 : x
  2. Step 2: Convert to fraction form
    62,996.99/86,910.90 = 43,871.67/x
  3. Step 3: Cross multiply
    62,996.99x = 86,910.90 × 43,871.67
  4. Step 4: Simplify right side
    62,996.99x = 3,812,926,324.20
  5. Step 5: Solve for x
    x = 3,812,926,324.20/62,996.99
  6. Step 6: Final answer
    x = 60,525.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.