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Finding the Fourth Proportional to 17,755.55, 26,625.12 and 6,654.30

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Solution

The fourth proportional to 17,755.55, 26,625.12 and 6,654.30 is: 9,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.55 : 26,625.12 = 6,654.30 : x
  2. Step 2: Convert to fraction form
    17,755.55/26,625.12 = 6,654.30/x
  3. Step 3: Cross multiply
    17,755.55x = 26,625.12 × 6,654.30
  4. Step 4: Simplify right side
    17,755.55x = 177,171,536.02
  5. Step 5: Solve for x
    x = 177,171,536.02/17,755.55
  6. Step 6: Final answer
    x = 9,978.37

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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.