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Finding the Fourth Proportional to 55,573.97, 76,692.07 and 30,080.33

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Solution

The fourth proportional to 55,573.97, 76,692.07 and 30,080.33 is: 41,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.97 : 76,692.07 = 30,080.33 : x
  2. Step 2: Convert to fraction form
    55,573.97/76,692.07 = 30,080.33/x
  3. Step 3: Cross multiply
    55,573.97x = 76,692.07 × 30,080.33
  4. Step 4: Simplify right side
    55,573.97x = 2,306,922,849.18
  5. Step 5: Solve for x
    x = 2,306,922,849.18/55,573.97
  6. Step 6: Final answer
    x = 41,510.85

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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.