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Finding the Fourth Proportional to 29,418.80, 44,149.80 and 18,341.60

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Solution

The fourth proportional to 29,418.80, 44,149.80 and 18,341.60 is: 27,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.80 : 44,149.80 = 18,341.60 : x
  2. Step 2: Convert to fraction form
    29,418.80/44,149.80 = 18,341.60/x
  3. Step 3: Cross multiply
    29,418.80x = 44,149.80 × 18,341.60
  4. Step 4: Simplify right side
    29,418.80x = 809,777,971.68
  5. Step 5: Solve for x
    x = 809,777,971.68/29,418.80
  6. Step 6: Final answer
    x = 27,525.87

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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.