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Finding the Fourth Proportional to 4,836.81, 7,245.87 and 3,568.12

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Solution

The fourth proportional to 4,836.81, 7,245.87 and 3,568.12 is: 5,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.81 : 7,245.87 = 3,568.12 : x
  2. Step 2: Convert to fraction form
    4,836.81/7,245.87 = 3,568.12/x
  3. Step 3: Cross multiply
    4,836.81x = 7,245.87 × 3,568.12
  4. Step 4: Simplify right side
    4,836.81x = 25,854,079.59
  5. Step 5: Solve for x
    x = 25,854,079.59/4,836.81
  6. Step 6: Final answer
    x = 5,345.28

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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.