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Finding the Fourth Proportional to 22,928.20, 34,380.96 and 7,343.80

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Solution

The fourth proportional to 22,928.20, 34,380.96 and 7,343.80 is: 11,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.20 : 34,380.96 = 7,343.80 : x
  2. Step 2: Convert to fraction form
    22,928.20/34,380.96 = 7,343.80/x
  3. Step 3: Cross multiply
    22,928.20x = 34,380.96 × 7,343.80
  4. Step 4: Simplify right side
    22,928.20x = 252,486,894.05
  5. Step 5: Solve for x
    x = 252,486,894.05/22,928.20
  6. Step 6: Final answer
    x = 11,012.07

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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.