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Finding the Fourth Proportional to 34,803.20, 52,204.80 and 27,891.20

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Solution

The fourth proportional to 34,803.20, 52,204.80 and 27,891.20 is: 41,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,803.20 : 52,204.80 = 27,891.20 : x
  2. Step 2: Convert to fraction form
    34,803.20/52,204.80 = 27,891.20/x
  3. Step 3: Cross multiply
    34,803.20x = 52,204.80 × 27,891.20
  4. Step 4: Simplify right side
    34,803.20x = 1,456,054,517.76
  5. Step 5: Solve for x
    x = 1,456,054,517.76/34,803.20
  6. Step 6: Final answer
    x = 41,836.80

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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.