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Finding the Fourth Proportional to 11,759.80, 17,610.90 and 5,596.60

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Solution

The fourth proportional to 11,759.80, 17,610.90 and 5,596.60 is: 8,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.80 : 17,610.90 = 5,596.60 : x
  2. Step 2: Convert to fraction form
    11,759.80/17,610.90 = 5,596.60/x
  3. Step 3: Cross multiply
    11,759.80x = 17,610.90 × 5,596.60
  4. Step 4: Simplify right side
    11,759.80x = 98,561,162.94
  5. Step 5: Solve for x
    x = 98,561,162.94/11,759.80
  6. Step 6: Final answer
    x = 8,381.19

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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.