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Finding the Fourth Proportional to 43,799.54, 65,720.12 and 22,728.38

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Solution

The fourth proportional to 43,799.54, 65,720.12 and 22,728.38 is: 34,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799.54 : 65,720.12 = 22,728.38 : x
  2. Step 2: Convert to fraction form
    43,799.54/65,720.12 = 22,728.38/x
  3. Step 3: Cross multiply
    43,799.54x = 65,720.12 × 22,728.38
  4. Step 4: Simplify right side
    43,799.54x = 1,493,711,418.76
  5. Step 5: Solve for x
    x = 1,493,711,418.76/43,799.54
  6. Step 6: Final answer
    x = 34,103.36

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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.