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Finding the Fourth Proportional to 29,467.80, 44,201.70 and 20,136.60

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Solution

The fourth proportional to 29,467.80, 44,201.70 and 20,136.60 is: 30,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.80 : 44,201.70 = 20,136.60 : x
  2. Step 2: Convert to fraction form
    29,467.80/44,201.70 = 20,136.60/x
  3. Step 3: Cross multiply
    29,467.80x = 44,201.70 × 20,136.60
  4. Step 4: Simplify right side
    29,467.80x = 890,071,952.22
  5. Step 5: Solve for x
    x = 890,071,952.22/29,467.80
  6. Step 6: Final answer
    x = 30,204.90

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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.