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Finding the Fourth Proportional to 22,750.25, 34,129.04 and 7,958.84

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Solution

The fourth proportional to 22,750.25, 34,129.04 and 7,958.84 is: 11,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.25 : 34,129.04 = 7,958.84 : x
  2. Step 2: Convert to fraction form
    22,750.25/34,129.04 = 7,958.84/x
  3. Step 3: Cross multiply
    22,750.25x = 34,129.04 × 7,958.84
  4. Step 4: Simplify right side
    22,750.25x = 271,627,358.27
  5. Step 5: Solve for x
    x = 271,627,358.27/22,750.25
  6. Step 6: Final answer
    x = 11,939.54

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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.