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Finding the Fourth Proportional to 8,007.33, 12,007.77 and 3,324.15

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Solution

The fourth proportional to 8,007.33, 12,007.77 and 3,324.15 is: 4,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.33 : 12,007.77 = 3,324.15 : x
  2. Step 2: Convert to fraction form
    8,007.33/12,007.77 = 3,324.15/x
  3. Step 3: Cross multiply
    8,007.33x = 12,007.77 × 3,324.15
  4. Step 4: Simplify right side
    8,007.33x = 39,915,628.65
  5. Step 5: Solve for x
    x = 39,915,628.65/8,007.33
  6. Step 6: Final answer
    x = 4,984.89

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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.