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Finding the Fourth Proportional to 57,048.80, 85,546.20 and 33,363.20

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Solution

The fourth proportional to 57,048.80, 85,546.20 and 33,363.20 is: 50,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.80 : 85,546.20 = 33,363.20 : x
  2. Step 2: Convert to fraction form
    57,048.80/85,546.20 = 33,363.20/x
  3. Step 3: Cross multiply
    57,048.80x = 85,546.20 × 33,363.20
  4. Step 4: Simplify right side
    57,048.80x = 2,854,094,979.84
  5. Step 5: Solve for x
    x = 2,854,094,979.84/57,048.80
  6. Step 6: Final answer
    x = 50,029.01

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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.