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Finding the Fourth Proportional to 29,086.68, 43,645.68 and 11,556.66

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Solution

The fourth proportional to 29,086.68, 43,645.68 and 11,556.66 is: 17,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.68 : 43,645.68 = 11,556.66 : x
  2. Step 2: Convert to fraction form
    29,086.68/43,645.68 = 11,556.66/x
  3. Step 3: Cross multiply
    29,086.68x = 43,645.68 × 11,556.66
  4. Step 4: Simplify right side
    29,086.68x = 504,398,284.23
  5. Step 5: Solve for x
    x = 504,398,284.23/29,086.68
  6. Step 6: Final answer
    x = 17,341.21

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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.