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Finding the Fourth Proportional to 49,708.80, 68,563.80 and 41,509.80

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Solution

The fourth proportional to 49,708.80, 68,563.80 and 41,509.80 is: 57,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.80 : 68,563.80 = 41,509.80 : x
  2. Step 2: Convert to fraction form
    49,708.80/68,563.80 = 41,509.80/x
  3. Step 3: Cross multiply
    49,708.80x = 68,563.80 × 41,509.80
  4. Step 4: Simplify right side
    49,708.80x = 2,846,069,625.24
  5. Step 5: Solve for x
    x = 2,846,069,625.24/49,708.80
  6. Step 6: Final answer
    x = 57,254.84

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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.