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Finding the Fourth Proportional to 57,976.14, 86,808.32 and 36,801.56

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Solution

The fourth proportional to 57,976.14, 86,808.32 and 36,801.56 is: 55,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.14 : 86,808.32 = 36,801.56 : x
  2. Step 2: Convert to fraction form
    57,976.14/86,808.32 = 36,801.56/x
  3. Step 3: Cross multiply
    57,976.14x = 86,808.32 × 36,801.56
  4. Step 4: Simplify right side
    57,976.14x = 3,194,681,254.94
  5. Step 5: Solve for x
    x = 3,194,681,254.94/57,976.14
  6. Step 6: Final answer
    x = 55,103.38

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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.