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Finding the Fourth Proportional to 29,144.88, 43,717.32 and 13,554

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Solution

The fourth proportional to 29,144.88, 43,717.32 and 13,554 is: 20,331

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.88 : 43,717.32 = 13,554 : x
  2. Step 2: Convert to fraction form
    29,144.88/43,717.32 = 13,554/x
  3. Step 3: Cross multiply
    29,144.88x = 43,717.32 × 13,554
  4. Step 4: Simplify right side
    29,144.88x = 592,544,555.28
  5. Step 5: Solve for x
    x = 592,544,555.28/29,144.88
  6. Step 6: Final answer
    x = 20,331

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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.