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Finding the Fourth Proportional to 4,793.86, 7,181.07 and 2,480.50

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Solution

The fourth proportional to 4,793.86, 7,181.07 and 2,480.50 is: 3,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.86 : 7,181.07 = 2,480.50 : x
  2. Step 2: Convert to fraction form
    4,793.86/7,181.07 = 2,480.50/x
  3. Step 3: Cross multiply
    4,793.86x = 7,181.07 × 2,480.50
  4. Step 4: Simplify right side
    4,793.86x = 17,812,644.14
  5. Step 5: Solve for x
    x = 17,812,644.14/4,793.86
  6. Step 6: Final answer
    x = 3,715.72

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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.