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Finding the Fourth Proportional to 29,568.80, 44,245.20 and 21,792.80

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Solution

The fourth proportional to 29,568.80, 44,245.20 and 21,792.80 is: 32,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568.80 : 44,245.20 = 21,792.80 : x
  2. Step 2: Convert to fraction form
    29,568.80/44,245.20 = 21,792.80/x
  3. Step 3: Cross multiply
    29,568.80x = 44,245.20 × 21,792.80
  4. Step 4: Simplify right side
    29,568.80x = 964,226,794.56
  5. Step 5: Solve for x
    x = 964,226,794.56/29,568.80
  6. Step 6: Final answer
    x = 32,609.60

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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.