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Finding the Fourth Proportional to 57,994.87, 87,003.24 and 18,541.39

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Solution

The fourth proportional to 57,994.87, 87,003.24 and 18,541.39 is: 27,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,994.87 : 87,003.24 = 18,541.39 : x
  2. Step 2: Convert to fraction form
    57,994.87/87,003.24 = 18,541.39/x
  3. Step 3: Cross multiply
    57,994.87x = 87,003.24 × 18,541.39
  4. Step 4: Simplify right side
    57,994.87x = 1,613,161,004.10
  5. Step 5: Solve for x
    x = 1,613,161,004.10/57,994.87
  6. Step 6: Final answer
    x = 27,815.58

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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.