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Finding the Fourth Proportional to 8,496.81, 12,745.22 and 2,653.92

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Solution

The fourth proportional to 8,496.81, 12,745.22 and 2,653.92 is: 3,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.81 : 12,745.22 = 2,653.92 : x
  2. Step 2: Convert to fraction form
    8,496.81/12,745.22 = 2,653.92/x
  3. Step 3: Cross multiply
    8,496.81x = 12,745.22 × 2,653.92
  4. Step 4: Simplify right side
    8,496.81x = 33,824,780.99
  5. Step 5: Solve for x
    x = 33,824,780.99/8,496.81
  6. Step 6: Final answer
    x = 3,980.88

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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.