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Finding the Fourth Proportional to 38,845.80, 53,578.80 and 25,395.48

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Solution

The fourth proportional to 38,845.80, 53,578.80 and 25,395.48 is: 35,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.80 : 53,578.80 = 25,395.48 : x
  2. Step 2: Convert to fraction form
    38,845.80/53,578.80 = 25,395.48/x
  3. Step 3: Cross multiply
    38,845.80x = 53,578.80 × 25,395.48
  4. Step 4: Simplify right side
    38,845.80x = 1,360,659,343.82
  5. Step 5: Solve for x
    x = 1,360,659,343.82/38,845.80
  6. Step 6: Final answer
    x = 35,027.19

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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.