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Finding the Fourth Proportional to 28,963.08, 43,452.08 and 16,965.36

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Solution

The fourth proportional to 28,963.08, 43,452.08 and 16,965.36 is: 25,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.08 : 43,452.08 = 16,965.36 : x
  2. Step 2: Convert to fraction form
    28,963.08/43,452.08 = 16,965.36/x
  3. Step 3: Cross multiply
    28,963.08x = 43,452.08 × 16,965.36
  4. Step 4: Simplify right side
    28,963.08x = 737,180,179.95
  5. Step 5: Solve for x
    x = 737,180,179.95/28,963.08
  6. Step 6: Final answer
    x = 25,452.41

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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.