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Finding the Fourth Proportional to 8,019.68, 12,013.18 and 3,846.97

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Solution

The fourth proportional to 8,019.68, 12,013.18 and 3,846.97 is: 5,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.68 : 12,013.18 = 3,846.97 : x
  2. Step 2: Convert to fraction form
    8,019.68/12,013.18 = 3,846.97/x
  3. Step 3: Cross multiply
    8,019.68x = 12,013.18 × 3,846.97
  4. Step 4: Simplify right side
    8,019.68x = 46,214,343.06
  5. Step 5: Solve for x
    x = 46,214,343.06/8,019.68
  6. Step 6: Final answer
    x = 5,762.62

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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.