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Finding the Fourth Proportional to 28,843.68, 39,804.28 and 16,268.44

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Solution

The fourth proportional to 28,843.68, 39,804.28 and 16,268.44 is: 22,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.68 : 39,804.28 = 16,268.44 : x
  2. Step 2: Convert to fraction form
    28,843.68/39,804.28 = 16,268.44/x
  3. Step 3: Cross multiply
    28,843.68x = 39,804.28 × 16,268.44
  4. Step 4: Simplify right side
    28,843.68x = 647,553,540.92
  5. Step 5: Solve for x
    x = 647,553,540.92/28,843.68
  6. Step 6: Final answer
    x = 22,450.45

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1.5x scale

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.