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Finding the Fourth Proportional to 4,850.79, 7,270.09 and 2,074.20

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Solution

The fourth proportional to 4,850.79, 7,270.09 and 2,074.20 is: 3,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.79 : 7,270.09 = 2,074.20 : x
  2. Step 2: Convert to fraction form
    4,850.79/7,270.09 = 2,074.20/x
  3. Step 3: Cross multiply
    4,850.79x = 7,270.09 × 2,074.20
  4. Step 4: Simplify right side
    4,850.79x = 15,079,592.11
  5. Step 5: Solve for x
    x = 15,079,592.11/4,850.79
  6. Step 6: Final answer
    x = 3,108.69

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1.5x scale

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.