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Finding the Fourth Proportional to 34,531.88, 51,797.82 and 13,755.56

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Solution

The fourth proportional to 34,531.88, 51,797.82 and 13,755.56 is: 20,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,531.88 : 51,797.82 = 13,755.56 : x
  2. Step 2: Convert to fraction form
    34,531.88/51,797.82 = 13,755.56/x
  3. Step 3: Cross multiply
    34,531.88x = 51,797.82 × 13,755.56
  4. Step 4: Simplify right side
    34,531.88x = 712,508,020.88
  5. Step 5: Solve for x
    x = 712,508,020.88/34,531.88
  6. Step 6: Final answer
    x = 20,633.34

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1.5x scale

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.