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Finding the Fourth Proportional to 54,379.39, 81,493.22 and 29,365.58

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Solution

The fourth proportional to 54,379.39, 81,493.22 and 29,365.58 is: 44,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379.39 : 81,493.22 = 29,365.58 : x
  2. Step 2: Convert to fraction form
    54,379.39/81,493.22 = 29,365.58/x
  3. Step 3: Cross multiply
    54,379.39x = 81,493.22 × 29,365.58
  4. Step 4: Simplify right side
    54,379.39x = 2,393,095,671.37
  5. Step 5: Solve for x
    x = 2,393,095,671.37/54,379.39
  6. Step 6: Final answer
    x = 44,007.40

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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.