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Finding the Fourth Proportional to 30,059.85, 41,481.07 and 16,447.60

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Solution

The fourth proportional to 30,059.85, 41,481.07 and 16,447.60 is: 22,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.85 : 41,481.07 = 16,447.60 : x
  2. Step 2: Convert to fraction form
    30,059.85/41,481.07 = 16,447.60/x
  3. Step 3: Cross multiply
    30,059.85x = 41,481.07 × 16,447.60
  4. Step 4: Simplify right side
    30,059.85x = 682,264,033.52
  5. Step 5: Solve for x
    x = 682,264,033.52/30,059.85
  6. Step 6: Final answer
    x = 22,696.85

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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.