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Finding the Fourth Proportional to 8,494.30, 12,741.45 and 2,650.92

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Solution

The fourth proportional to 8,494.30, 12,741.45 and 2,650.92 is: 3,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.30 : 12,741.45 = 2,650.92 : x
  2. Step 2: Convert to fraction form
    8,494.30/12,741.45 = 2,650.92/x
  3. Step 3: Cross multiply
    8,494.30x = 12,741.45 × 2,650.92
  4. Step 4: Simplify right side
    8,494.30x = 33,776,564.63
  5. Step 5: Solve for x
    x = 33,776,564.63/8,494.30
  6. Step 6: Final answer
    x = 3,976.38

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Similar ratio
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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.