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Finding the Fourth Proportional to 17,757.80, 26,610.78 and 9,968.84

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Solution

The fourth proportional to 17,757.80, 26,610.78 and 9,968.84 is: 14,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.80 : 26,610.78 = 9,968.84 : x
  2. Step 2: Convert to fraction form
    17,757.80/26,610.78 = 9,968.84/x
  3. Step 3: Cross multiply
    17,757.80x = 26,610.78 × 9,968.84
  4. Step 4: Simplify right side
    17,757.80x = 265,278,608.10
  5. Step 5: Solve for x
    x = 265,278,608.10/17,757.80
  6. Step 6: Final answer
    x = 14,938.71

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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.