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Finding the Fourth Proportional to 22,751.75, 34,131.29 and 7,960.34

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Solution

The fourth proportional to 22,751.75, 34,131.29 and 7,960.34 is: 11,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.75 : 34,131.29 = 7,960.34 : x
  2. Step 2: Convert to fraction form
    22,751.75/34,131.29 = 7,960.34/x
  3. Step 3: Cross multiply
    22,751.75x = 34,131.29 × 7,960.34
  4. Step 4: Simplify right side
    22,751.75x = 271,696,673.04
  5. Step 5: Solve for x
    x = 271,696,673.04/22,751.75
  6. Step 6: Final answer
    x = 11,941.79

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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.