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Finding the Fourth Proportional to 4,493.86, 6,731.84 and 3,515.38

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Solution

The fourth proportional to 4,493.86, 6,731.84 and 3,515.38 is: 5,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.86 : 6,731.84 = 3,515.38 : x
  2. Step 2: Convert to fraction form
    4,493.86/6,731.84 = 3,515.38/x
  3. Step 3: Cross multiply
    4,493.86x = 6,731.84 × 3,515.38
  4. Step 4: Simplify right side
    4,493.86x = 23,664,975.70
  5. Step 5: Solve for x
    x = 23,664,975.70/4,493.86
  6. Step 6: Final answer
    x = 5,266.07

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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.