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Finding the Fourth Proportional to 4,993.67, 7,484.69 and 3,757.11

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Solution

The fourth proportional to 4,993.67, 7,484.69 and 3,757.11 is: 5,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.67 : 7,484.69 = 3,757.11 : x
  2. Step 2: Convert to fraction form
    4,993.67/7,484.69 = 3,757.11/x
  3. Step 3: Cross multiply
    4,993.67x = 7,484.69 × 3,757.11
  4. Step 4: Simplify right side
    4,993.67x = 28,120,784.86
  5. Step 5: Solve for x
    x = 28,120,784.86/4,993.67
  6. Step 6: Final answer
    x = 5,631.28

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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.