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Finding the Fourth Proportional to 8,475.63, 12,716.10 and 3,799.56

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Solution

The fourth proportional to 8,475.63, 12,716.10 and 3,799.56 is: 5,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.63 : 12,716.10 = 3,799.56 : x
  2. Step 2: Convert to fraction form
    8,475.63/12,716.10 = 3,799.56/x
  3. Step 3: Cross multiply
    8,475.63x = 12,716.10 × 3,799.56
  4. Step 4: Simplify right side
    8,475.63x = 48,315,584.92
  5. Step 5: Solve for x
    x = 48,315,584.92/8,475.63
  6. Step 6: Final answer
    x = 5,700.53

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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.