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Finding the Fourth Proportional to 11,773.90, 17,739.39 and 10,649.46

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Solution

The fourth proportional to 11,773.90, 17,739.39 and 10,649.46 is: 16,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.90 : 17,739.39 = 10,649.46 : x
  2. Step 2: Convert to fraction form
    11,773.90/17,739.39 = 10,649.46/x
  3. Step 3: Cross multiply
    11,773.90x = 17,739.39 × 10,649.46
  4. Step 4: Simplify right side
    11,773.90x = 188,914,912.15
  5. Step 5: Solve for x
    x = 188,914,912.15/11,773.90
  6. Step 6: Final answer
    x = 16,045.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.