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Finding the Fourth Proportional to 36,813.60, 50,803.20 and 20,046.60

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Solution

The fourth proportional to 36,813.60, 50,803.20 and 20,046.60 is: 27,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.60 : 50,803.20 = 20,046.60 : x
  2. Step 2: Convert to fraction form
    36,813.60/50,803.20 = 20,046.60/x
  3. Step 3: Cross multiply
    36,813.60x = 50,803.20 × 20,046.60
  4. Step 4: Simplify right side
    36,813.60x = 1,018,431,429.12
  5. Step 5: Solve for x
    x = 1,018,431,429.12/36,813.60
  6. Step 6: Final answer
    x = 27,664.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.