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Finding the Fourth Proportional to 28,033.40, 41,963.70 and 16,311.80

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Solution

The fourth proportional to 28,033.40, 41,963.70 and 16,311.80 is: 24,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.40 : 41,963.70 = 16,311.80 : x
  2. Step 2: Convert to fraction form
    28,033.40/41,963.70 = 16,311.80/x
  3. Step 3: Cross multiply
    28,033.40x = 41,963.70 × 16,311.80
  4. Step 4: Simplify right side
    28,033.40x = 684,503,481.66
  5. Step 5: Solve for x
    x = 684,503,481.66/28,033.40
  6. Step 6: Final answer
    x = 24,417.43

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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.