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Finding the Fourth Proportional to 8,302.44, 12,453.64 and 2,756.21

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Solution

The fourth proportional to 8,302.44, 12,453.64 and 2,756.21 is: 4,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.44 : 12,453.64 = 2,756.21 : x
  2. Step 2: Convert to fraction form
    8,302.44/12,453.64 = 2,756.21/x
  3. Step 3: Cross multiply
    8,302.44x = 12,453.64 × 2,756.21
  4. Step 4: Simplify right side
    8,302.44x = 34,324,777.95
  5. Step 5: Solve for x
    x = 34,324,777.95/8,302.44
  6. Step 6: Final answer
    x = 4,134.30

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1.5x scale

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.