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Finding the Fourth Proportional to 29,997.20, 44,974.20 and 16,853.60

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Solution

The fourth proportional to 29,997.20, 44,974.20 and 16,853.60 is: 25,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997.20 : 44,974.20 = 16,853.60 : x
  2. Step 2: Convert to fraction form
    29,997.20/44,974.20 = 16,853.60/x
  3. Step 3: Cross multiply
    29,997.20x = 44,974.20 × 16,853.60
  4. Step 4: Simplify right side
    29,997.20x = 757,977,177.12
  5. Step 5: Solve for x
    x = 757,977,177.12/29,997.20
  6. Step 6: Final answer
    x = 25,268.26

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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.