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Finding the Fourth Proportional to 43,800.68, 65,721.78 and 22,729.51

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Solution

The fourth proportional to 43,800.68, 65,721.78 and 22,729.51 is: 34,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800.68 : 65,721.78 = 22,729.51 : x
  2. Step 2: Convert to fraction form
    43,800.68/65,721.78 = 22,729.51/x
  3. Step 3: Cross multiply
    43,800.68x = 65,721.78 × 22,729.51
  4. Step 4: Simplify right side
    43,800.68x = 1,493,823,937.88
  5. Step 5: Solve for x
    x = 1,493,823,937.88/43,800.68
  6. Step 6: Final answer
    x = 34,105.04

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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.