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Finding the Fourth Proportional to 28,843.44, 39,802.32 and 16,267.44

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Solution

The fourth proportional to 28,843.44, 39,802.32 and 16,267.44 is: 22,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.44 : 39,802.32 = 16,267.44 : x
  2. Step 2: Convert to fraction form
    28,843.44/39,802.32 = 16,267.44/x
  3. Step 3: Cross multiply
    28,843.44x = 39,802.32 × 16,267.44
  4. Step 4: Simplify right side
    28,843.44x = 647,481,852.46
  5. Step 5: Solve for x
    x = 647,481,852.46/28,843.44
  6. Step 6: Final answer
    x = 22,448.15

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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.