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Finding the Fourth Proportional to 29,626.80, 44,418.60 and 12,087.60

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Solution

The fourth proportional to 29,626.80, 44,418.60 and 12,087.60 is: 18,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,626.80 : 44,418.60 = 12,087.60 : x
  2. Step 2: Convert to fraction form
    29,626.80/44,418.60 = 12,087.60/x
  3. Step 3: Cross multiply
    29,626.80x = 44,418.60 × 12,087.60
  4. Step 4: Simplify right side
    29,626.80x = 536,914,269.36
  5. Step 5: Solve for x
    x = 536,914,269.36/29,626.80
  6. Step 6: Final answer
    x = 18,122.59

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1.5x scale

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.