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Finding the Fourth Proportional to 6,644.43, 9,173.25 and 5,906.39

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Solution

The fourth proportional to 6,644.43, 9,173.25 and 5,906.39 is: 8,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.43 : 9,173.25 = 5,906.39 : x
  2. Step 2: Convert to fraction form
    6,644.43/9,173.25 = 5,906.39/x
  3. Step 3: Cross multiply
    6,644.43x = 9,173.25 × 5,906.39
  4. Step 4: Simplify right side
    6,644.43x = 54,180,746.20
  5. Step 5: Solve for x
    x = 54,180,746.20/6,644.43
  6. Step 6: Final answer
    x = 8,154.31

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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.