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Finding the Fourth Proportional to 22,750.50, 34,126.97 and 7,169.34

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Solution

The fourth proportional to 22,750.50, 34,126.97 and 7,169.34 is: 10,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.50 : 34,126.97 = 7,169.34 : x
  2. Step 2: Convert to fraction form
    22,750.50/34,126.97 = 7,169.34/x
  3. Step 3: Cross multiply
    22,750.50x = 34,126.97 × 7,169.34
  4. Step 4: Simplify right side
    22,750.50x = 244,667,815.25
  5. Step 5: Solve for x
    x = 244,667,815.25/22,750.50
  6. Step 6: Final answer
    x = 10,754.39

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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.