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Finding the Fourth Proportional to 29,144.42, 43,737.89 and 11,619.26

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Solution

The fourth proportional to 29,144.42, 43,737.89 and 11,619.26 is: 17,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.42 : 43,737.89 = 11,619.26 : x
  2. Step 2: Convert to fraction form
    29,144.42/43,737.89 = 11,619.26/x
  3. Step 3: Cross multiply
    29,144.42x = 43,737.89 × 11,619.26
  4. Step 4: Simplify right side
    29,144.42x = 508,201,638.98
  5. Step 5: Solve for x
    x = 508,201,638.98/29,144.42
  6. Step 6: Final answer
    x = 17,437.36

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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.