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Finding the Fourth Proportional to 35,553.60, 53,200.80 and 32,443.20

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Solution

The fourth proportional to 35,553.60, 53,200.80 and 32,443.20 is: 48,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.60 : 53,200.80 = 32,443.20 : x
  2. Step 2: Convert to fraction form
    35,553.60/53,200.80 = 32,443.20/x
  3. Step 3: Cross multiply
    35,553.60x = 53,200.80 × 32,443.20
  4. Step 4: Simplify right side
    35,553.60x = 1,726,004,194.56
  5. Step 5: Solve for x
    x = 1,726,004,194.56/35,553.60
  6. Step 6: Final answer
    x = 48,546.54

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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.