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Finding the Fourth Proportional to 5,958.75, 8,938.13 and 4,082.79

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Solution

The fourth proportional to 5,958.75, 8,938.13 and 4,082.79 is: 6,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.75 : 8,938.13 = 4,082.79 : x
  2. Step 2: Convert to fraction form
    5,958.75/8,938.13 = 4,082.79/x
  3. Step 3: Cross multiply
    5,958.75x = 8,938.13 × 4,082.79
  4. Step 4: Simplify right side
    5,958.75x = 36,492,487.37
  5. Step 5: Solve for x
    x = 36,492,487.37/5,958.75
  6. Step 6: Final answer
    x = 6,124.19

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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.