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Finding the Fourth Proportional to 8,007.99, 12,013.88 and 2,743.06

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Solution

The fourth proportional to 8,007.99, 12,013.88 and 2,743.06 is: 4,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.99 : 12,013.88 = 2,743.06 : x
  2. Step 2: Convert to fraction form
    8,007.99/12,013.88 = 2,743.06/x
  3. Step 3: Cross multiply
    8,007.99x = 12,013.88 × 2,743.06
  4. Step 4: Simplify right side
    8,007.99x = 32,954,793.67
  5. Step 5: Solve for x
    x = 32,954,793.67/8,007.99
  6. Step 6: Final answer
    x = 4,115.24

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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.