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Finding the Fourth Proportional to 47,550.78, 65,601.36 and 30,552.48

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Solution

The fourth proportional to 47,550.78, 65,601.36 and 30,552.48 is: 42,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,550.78 : 65,601.36 = 30,552.48 : x
  2. Step 2: Convert to fraction form
    47,550.78/65,601.36 = 30,552.48/x
  3. Step 3: Cross multiply
    47,550.78x = 65,601.36 × 30,552.48
  4. Step 4: Simplify right side
    47,550.78x = 2,004,284,239.37
  5. Step 5: Solve for x
    x = 2,004,284,239.37/47,550.78
  6. Step 6: Final answer
    x = 42,150.40

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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.