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Finding the Fourth Proportional to 28,797.80, 43,202.57 and 16,323.39

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Solution

The fourth proportional to 28,797.80, 43,202.57 and 16,323.39 is: 24,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.80 : 43,202.57 = 16,323.39 : x
  2. Step 2: Convert to fraction form
    28,797.80/43,202.57 = 16,323.39/x
  3. Step 3: Cross multiply
    28,797.80x = 43,202.57 × 16,323.39
  4. Step 4: Simplify right side
    28,797.80x = 705,212,317.50
  5. Step 5: Solve for x
    x = 705,212,317.50/28,797.80
  6. Step 6: Final answer
    x = 24,488.41

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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.