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Finding the Fourth Proportional to 17,177,838.24, 25,745,485.14 and 8,653,524.60

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Solution

The fourth proportional to 17,177,838.24, 25,745,485.14 and 8,653,524.60 is: 12,969,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177,838.24 : 25,745,485.14 = 8,653,524.60 : x
  2. Step 2: Convert to fraction form
    17,177,838.24/25,745,485.14 = 8,653,524.60/x
  3. Step 3: Cross multiply
    17,177,838.24x = 25,745,485.14 × 8,653,524.60
  4. Step 4: Simplify right side
    17,177,838.24x = 222,789,188,997,924.44
  5. Step 5: Solve for x
    x = 222,789,188,997,924.44/17,177,838.24
  6. Step 6: Final answer
    x = 12,969,570.79

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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.