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Finding the Fourth Proportional to 8,683.01, 11,982.40 and 4,906.10

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Solution

The fourth proportional to 8,683.01, 11,982.40 and 4,906.10 is: 6,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.01 : 11,982.40 = 4,906.10 : x
  2. Step 2: Convert to fraction form
    8,683.01/11,982.40 = 4,906.10/x
  3. Step 3: Cross multiply
    8,683.01x = 11,982.40 × 4,906.10
  4. Step 4: Simplify right side
    8,683.01x = 58,786,789.91
  5. Step 5: Solve for x
    x = 58,786,789.91/8,683.01
  6. Step 6: Final answer
    x = 6,770.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.