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Finding the Fourth Proportional to 17,577.82, 26,375.38 and 8,218.48

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Solution

The fourth proportional to 17,577.82, 26,375.38 and 8,218.48 is: 12,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,577.82 : 26,375.38 = 8,218.48 : x
  2. Step 2: Convert to fraction form
    17,577.82/26,375.38 = 8,218.48/x
  3. Step 3: Cross multiply
    17,577.82x = 26,375.38 × 8,218.48
  4. Step 4: Simplify right side
    17,577.82x = 216,765,533.02
  5. Step 5: Solve for x
    x = 216,765,533.02/17,577.82
  6. Step 6: Final answer
    x = 12,331.76

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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.