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Finding the Fourth Proportional to 8,493.11, 12,739.66 and 2,650.17

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Solution

The fourth proportional to 8,493.11, 12,739.66 and 2,650.17 is: 3,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.11 : 12,739.66 = 2,650.17 : x
  2. Step 2: Convert to fraction form
    8,493.11/12,739.66 = 2,650.17/x
  3. Step 3: Cross multiply
    8,493.11x = 12,739.66 × 2,650.17
  4. Step 4: Simplify right side
    8,493.11x = 33,762,258.12
  5. Step 5: Solve for x
    x = 33,762,258.12/8,493.11
  6. Step 6: Final answer
    x = 3,975.26

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Double scale
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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.