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Finding the Fourth Proportional to 32,449.70, 44,770.10 and 18,107.21

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Solution

The fourth proportional to 32,449.70, 44,770.10 and 18,107.21 is: 24,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,449.70 : 44,770.10 = 18,107.21 : x
  2. Step 2: Convert to fraction form
    32,449.70/44,770.10 = 18,107.21/x
  3. Step 3: Cross multiply
    32,449.70x = 44,770.10 × 18,107.21
  4. Step 4: Simplify right side
    32,449.70x = 810,661,288.03
  5. Step 5: Solve for x
    x = 810,661,288.03/32,449.70
  6. Step 6: Final answer
    x = 24,982.09

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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.