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Finding the Fourth Proportional to 29,845.20, 44,767.80 and 21,388.80

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Solution

The fourth proportional to 29,845.20, 44,767.80 and 21,388.80 is: 32,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,845.20 : 44,767.80 = 21,388.80 : x
  2. Step 2: Convert to fraction form
    29,845.20/44,767.80 = 21,388.80/x
  3. Step 3: Cross multiply
    29,845.20x = 44,767.80 × 21,388.80
  4. Step 4: Simplify right side
    29,845.20x = 957,529,520.64
  5. Step 5: Solve for x
    x = 957,529,520.64/29,845.20
  6. Step 6: Final answer
    x = 32,083.20

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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.