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Finding the Fourth Proportional to 17,028,540.80, 25,542,811.20 and 17,028,540.80

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Solution

The fourth proportional to 17,028,540.80, 25,542,811.20 and 17,028,540.80 is: 25,542,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028,540.80 : 25,542,811.20 = 17,028,540.80 : x
  2. Step 2: Convert to fraction form
    17,028,540.80/25,542,811.20 = 17,028,540.80/x
  3. Step 3: Cross multiply
    17,028,540.80x = 25,542,811.20 × 17,028,540.80
  4. Step 4: Simplify right side
    17,028,540.80x = 434,956,802,665,896.94
  5. Step 5: Solve for x
    x = 434,956,802,665,896.94/17,028,540.80
  6. Step 6: Final answer
    x = 25,542,811.20

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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.