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Finding the Fourth Proportional to 11,774,668.56, 17,668,855.44 and 4,950,747.42

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Solution

The fourth proportional to 11,774,668.56, 17,668,855.44 and 4,950,747.42 is: 7,429,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774,668.56 : 17,668,855.44 = 4,950,747.42 : x
  2. Step 2: Convert to fraction form
    11,774,668.56/17,668,855.44 = 4,950,747.42/x
  3. Step 3: Cross multiply
    11,774,668.56x = 17,668,855.44 × 4,950,747.42
  4. Step 4: Simplify right side
    11,774,668.56x = 87,474,040,483,932.97
  5. Step 5: Solve for x
    x = 87,474,040,483,932.97/11,774,668.56
  6. Step 6: Final answer
    x = 7,429,002.36

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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.