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Finding the Fourth Proportional to 43,338.84, 65,023.92 and 17,028.96

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Solution

The fourth proportional to 43,338.84, 65,023.92 and 17,028.96 is: 25,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.84 : 65,023.92 = 17,028.96 : x
  2. Step 2: Convert to fraction form
    43,338.84/65,023.92 = 17,028.96/x
  3. Step 3: Cross multiply
    43,338.84x = 65,023.92 × 17,028.96
  4. Step 4: Simplify right side
    43,338.84x = 1,107,289,732.72
  5. Step 5: Solve for x
    x = 1,107,289,732.72/43,338.84
  6. Step 6: Final answer
    x = 25,549.59

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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.