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Finding the Fourth Proportional to 69,582.26, 104,379.03 and 19,662.77

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Solution

The fourth proportional to 69,582.26, 104,379.03 and 19,662.77 is: 29,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,582.26 : 104,379.03 = 19,662.77 : x
  2. Step 2: Convert to fraction form
    69,582.26/104,379.03 = 19,662.77/x
  3. Step 3: Cross multiply
    69,582.26x = 104,379.03 × 19,662.77
  4. Step 4: Simplify right side
    69,582.26x = 2,052,381,120.66
  5. Step 5: Solve for x
    x = 2,052,381,120.66/69,582.26
  6. Step 6: Final answer
    x = 29,495.75

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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.