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Finding the Fourth Proportional to 5,930.75, 8,850.08 and 5,143.43

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Solution

The fourth proportional to 5,930.75, 8,850.08 and 5,143.43 is: 7,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.75 : 8,850.08 = 5,143.43 : x
  2. Step 2: Convert to fraction form
    5,930.75/8,850.08 = 5,143.43/x
  3. Step 3: Cross multiply
    5,930.75x = 8,850.08 × 5,143.43
  4. Step 4: Simplify right side
    5,930.75x = 45,519,773.03
  5. Step 5: Solve for x
    x = 45,519,773.03/5,930.75
  6. Step 6: Final answer
    x = 7,675.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.