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Finding the Fourth Proportional to 28,844.44, 39,803.70 and 16,268.44

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Solution

The fourth proportional to 28,844.44, 39,803.70 and 16,268.44 is: 22,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.44 : 39,803.70 = 16,268.44 : x
  2. Step 2: Convert to fraction form
    28,844.44/39,803.70 = 16,268.44/x
  3. Step 3: Cross multiply
    28,844.44x = 39,803.70 × 16,268.44
  4. Step 4: Simplify right side
    28,844.44x = 647,544,105.23
  5. Step 5: Solve for x
    x = 647,544,105.23/28,844.44
  6. Step 6: Final answer
    x = 22,449.53

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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.