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Finding the Fourth Proportional to 8,655.26, 12,982.92 and 2,499.26

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Solution

The fourth proportional to 8,655.26, 12,982.92 and 2,499.26 is: 3,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.26 : 12,982.92 = 2,499.26 : x
  2. Step 2: Convert to fraction form
    8,655.26/12,982.92 = 2,499.26/x
  3. Step 3: Cross multiply
    8,655.26x = 12,982.92 × 2,499.26
  4. Step 4: Simplify right side
    8,655.26x = 32,447,692.64
  5. Step 5: Solve for x
    x = 32,447,692.64/8,655.26
  6. Step 6: Final answer
    x = 3,748.90

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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.