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Finding the Fourth Proportional to 32,550.78, 44,920.44 and 18,403.32

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Solution

The fourth proportional to 32,550.78, 44,920.44 and 18,403.32 is: 25,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,550.78 : 44,920.44 = 18,403.32 : x
  2. Step 2: Convert to fraction form
    32,550.78/44,920.44 = 18,403.32/x
  3. Step 3: Cross multiply
    32,550.78x = 44,920.44 × 18,403.32
  4. Step 4: Simplify right side
    32,550.78x = 826,685,231.86
  5. Step 5: Solve for x
    x = 826,685,231.86/32,550.78
  6. Step 6: Final answer
    x = 25,396.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.