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Finding the Fourth Proportional to 29,119.88, 43,679.82 and 13,529

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Solution

The fourth proportional to 29,119.88, 43,679.82 and 13,529 is: 20,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.88 : 43,679.82 = 13,529 : x
  2. Step 2: Convert to fraction form
    29,119.88/43,679.82 = 13,529/x
  3. Step 3: Cross multiply
    29,119.88x = 43,679.82 × 13,529
  4. Step 4: Simplify right side
    29,119.88x = 590,944,284.78
  5. Step 5: Solve for x
    x = 590,944,284.78/29,119.88
  6. Step 6: Final answer
    x = 20,293.50

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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.