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Finding the Fourth Proportional to 8,797.82, 13,215.10 and 7,481.37

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Solution

The fourth proportional to 8,797.82, 13,215.10 and 7,481.37 is: 11,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.82 : 13,215.10 = 7,481.37 : x
  2. Step 2: Convert to fraction form
    8,797.82/13,215.10 = 7,481.37/x
  3. Step 3: Cross multiply
    8,797.82x = 13,215.10 × 7,481.37
  4. Step 4: Simplify right side
    8,797.82x = 98,867,052.69
  5. Step 5: Solve for x
    x = 98,867,052.69/8,797.82
  6. Step 6: Final answer
    x = 11,237.68

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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.