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Finding the Fourth Proportional to 57,436.33, 86,154.57 and 27,858.52

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Solution

The fourth proportional to 57,436.33, 86,154.57 and 27,858.52 is: 41,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436.33 : 86,154.57 = 27,858.52 : x
  2. Step 2: Convert to fraction form
    57,436.33/86,154.57 = 27,858.52/x
  3. Step 3: Cross multiply
    57,436.33x = 86,154.57 × 27,858.52
  4. Step 4: Simplify right side
    57,436.33x = 2,400,138,811.44
  5. Step 5: Solve for x
    x = 2,400,138,811.44/57,436.33
  6. Step 6: Final answer
    x = 41,787.82

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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.