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Finding the Fourth Proportional to 57,993.07, 87,135.41 and 36,942.58

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Solution

The fourth proportional to 57,993.07, 87,135.41 and 36,942.58 is: 55,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.07 : 87,135.41 = 36,942.58 : x
  2. Step 2: Convert to fraction form
    57,993.07/87,135.41 = 36,942.58/x
  3. Step 3: Cross multiply
    57,993.07x = 87,135.41 × 36,942.58
  4. Step 4: Simplify right side
    57,993.07x = 3,219,006,854.76
  5. Step 5: Solve for x
    x = 3,219,006,854.76/57,993.07
  6. Step 6: Final answer
    x = 55,506.75

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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.