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Finding the Fourth Proportional to 8,996.62, 13,563.44 and 8,362.39

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Solution

The fourth proportional to 8,996.62, 13,563.44 and 8,362.39 is: 12,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.62 : 13,563.44 = 8,362.39 : x
  2. Step 2: Convert to fraction form
    8,996.62/13,563.44 = 8,362.39/x
  3. Step 3: Cross multiply
    8,996.62x = 13,563.44 × 8,362.39
  4. Step 4: Simplify right side
    8,996.62x = 113,422,744.33
  5. Step 5: Solve for x
    x = 113,422,744.33/8,996.62
  6. Step 6: Final answer
    x = 12,607.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.