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Finding the Fourth Proportional to 22,755.88, 34,132.74 and 7,968.11

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Solution

The fourth proportional to 22,755.88, 34,132.74 and 7,968.11 is: 11,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.88 : 34,132.74 = 7,968.11 : x
  2. Step 2: Convert to fraction form
    22,755.88/34,132.74 = 7,968.11/x
  3. Step 3: Cross multiply
    22,755.88x = 34,132.74 × 7,968.11
  4. Step 4: Simplify right side
    22,755.88x = 271,973,426.92
  5. Step 5: Solve for x
    x = 271,973,426.92/22,755.88
  6. Step 6: Final answer
    x = 11,951.79

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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.