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Finding the Fourth Proportional to 18,033.21, 24,994.90 and 16,994.98

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Solution

The fourth proportional to 18,033.21, 24,994.90 and 16,994.98 is: 23,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.21 : 24,994.90 = 16,994.98 : x
  2. Step 2: Convert to fraction form
    18,033.21/24,994.90 = 16,994.98/x
  3. Step 3: Cross multiply
    18,033.21x = 24,994.90 × 16,994.98
  4. Step 4: Simplify right side
    18,033.21x = 424,787,825.60
  5. Step 5: Solve for x
    x = 424,787,825.60/18,033.21
  6. Step 6: Final answer
    x = 23,555.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.