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Finding the Fourth Proportional to 34,675.80, 51,940.80 and 28,843.80

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Solution

The fourth proportional to 34,675.80, 51,940.80 and 28,843.80 is: 43,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,675.80 : 51,940.80 = 28,843.80 : x
  2. Step 2: Convert to fraction form
    34,675.80/51,940.80 = 28,843.80/x
  3. Step 3: Cross multiply
    34,675.80x = 51,940.80 × 28,843.80
  4. Step 4: Simplify right side
    34,675.80x = 1,498,170,047.04
  5. Step 5: Solve for x
    x = 1,498,170,047.04/34,675.80
  6. Step 6: Final answer
    x = 43,205.06

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1.5x scale

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.