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Finding the Fourth Proportional to 8,770.50, 13,158.03 and 2,614.50

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Solution

The fourth proportional to 8,770.50, 13,158.03 and 2,614.50 is: 3,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.50 : 13,158.03 = 2,614.50 : x
  2. Step 2: Convert to fraction form
    8,770.50/13,158.03 = 2,614.50/x
  3. Step 3: Cross multiply
    8,770.50x = 13,158.03 × 2,614.50
  4. Step 4: Simplify right side
    8,770.50x = 34,401,669.44
  5. Step 5: Solve for x
    x = 34,401,669.44/8,770.50
  6. Step 6: Final answer
    x = 3,922.43

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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.