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Finding the Fourth Proportional to 33,508.40, 50,218.80 and 16,887.20

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Solution

The fourth proportional to 33,508.40, 50,218.80 and 16,887.20 is: 25,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,508.40 : 50,218.80 = 16,887.20 : x
  2. Step 2: Convert to fraction form
    33,508.40/50,218.80 = 16,887.20/x
  3. Step 3: Cross multiply
    33,508.40x = 50,218.80 × 16,887.20
  4. Step 4: Simplify right side
    33,508.40x = 848,054,919.36
  5. Step 5: Solve for x
    x = 848,054,919.36/33,508.40
  6. Step 6: Final answer
    x = 25,308.73

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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.