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Finding the Fourth Proportional to 32,450.87, 44,790.36 and 18,311.87

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Solution

The fourth proportional to 32,450.87, 44,790.36 and 18,311.87 is: 25,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,450.87 : 44,790.36 = 18,311.87 : x
  2. Step 2: Convert to fraction form
    32,450.87/44,790.36 = 18,311.87/x
  3. Step 3: Cross multiply
    32,450.87x = 44,790.36 × 18,311.87
  4. Step 4: Simplify right side
    32,450.87x = 820,195,249.57
  5. Step 5: Solve for x
    x = 820,195,249.57/32,450.87
  6. Step 6: Final answer
    x = 25,274.98

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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.