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Finding the Fourth Proportional to 57,418.54, 79,223.07 and 33,530.02

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Solution

The fourth proportional to 57,418.54, 79,223.07 and 33,530.02 is: 46,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.54 : 79,223.07 = 33,530.02 : x
  2. Step 2: Convert to fraction form
    57,418.54/79,223.07 = 33,530.02/x
  3. Step 3: Cross multiply
    57,418.54x = 79,223.07 × 33,530.02
  4. Step 4: Simplify right side
    57,418.54x = 2,656,351,121.56
  5. Step 5: Solve for x
    x = 2,656,351,121.56/57,418.54
  6. Step 6: Final answer
    x = 46,262.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.