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Finding the Fourth Proportional to 5,958.85, 8,938.21 and 1,455.95

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Solution

The fourth proportional to 5,958.85, 8,938.21 and 1,455.95 is: 2,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.85 : 8,938.21 = 1,455.95 : x
  2. Step 2: Convert to fraction form
    5,958.85/8,938.21 = 1,455.95/x
  3. Step 3: Cross multiply
    5,958.85x = 8,938.21 × 1,455.95
  4. Step 4: Simplify right side
    5,958.85x = 13,013,534.88
  5. Step 5: Solve for x
    x = 13,013,534.88/5,958.85
  6. Step 6: Final answer
    x = 2,183.90

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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.