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Finding the Fourth Proportional to 5,676.41, 8,501.42 and 5,479.38

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Solution

The fourth proportional to 5,676.41, 8,501.42 and 5,479.38 is: 8,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.41 : 8,501.42 = 5,479.38 : x
  2. Step 2: Convert to fraction form
    5,676.41/8,501.42 = 5,479.38/x
  3. Step 3: Cross multiply
    5,676.41x = 8,501.42 × 5,479.38
  4. Step 4: Simplify right side
    5,676.41x = 46,582,524.42
  5. Step 5: Solve for x
    x = 46,582,524.42/5,676.41
  6. Step 6: Final answer
    x = 8,206.33

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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.