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Finding the Fourth Proportional to 5,950,879.80, 8,945,346.60 and 5,529,663.60

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Solution

The fourth proportional to 5,950,879.80, 8,945,346.60 and 5,529,663.60 is: 8,312,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,950,879.80 : 8,945,346.60 = 5,529,663.60 : x
  2. Step 2: Convert to fraction form
    5,950,879.80/8,945,346.60 = 5,529,663.60/x
  3. Step 3: Cross multiply
    5,950,879.80x = 8,945,346.60 × 5,529,663.60
  4. Step 4: Simplify right side
    5,950,879.80x = 49,464,757,483,403.76
  5. Step 5: Solve for x
    x = 49,464,757,483,403.76/5,950,879.80
  6. Step 6: Final answer
    x = 8,312,175.53

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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.