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Finding the Fourth Proportional to 8,043.70, 12,068.99 and 3,364.80

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Solution

The fourth proportional to 8,043.70, 12,068.99 and 3,364.80 is: 5,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.70 : 12,068.99 = 3,364.80 : x
  2. Step 2: Convert to fraction form
    8,043.70/12,068.99 = 3,364.80/x
  3. Step 3: Cross multiply
    8,043.70x = 12,068.99 × 3,364.80
  4. Step 4: Simplify right side
    8,043.70x = 40,609,737.55
  5. Step 5: Solve for x
    x = 40,609,737.55/8,043.70
  6. Step 6: Final answer
    x = 5,048.64

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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.