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Finding the Fourth Proportional to 29,449.80, 44,101.80 and 18,903.60

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Solution

The fourth proportional to 29,449.80, 44,101.80 and 18,903.60 is: 28,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.80 : 44,101.80 = 18,903.60 : x
  2. Step 2: Convert to fraction form
    29,449.80/44,101.80 = 18,903.60/x
  3. Step 3: Cross multiply
    29,449.80x = 44,101.80 × 18,903.60
  4. Step 4: Simplify right side
    29,449.80x = 833,682,786.48
  5. Step 5: Solve for x
    x = 833,682,786.48/29,449.80
  6. Step 6: Final answer
    x = 28,308.61

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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.