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Finding the Fourth Proportional to 35,443.76, 53,161.14 and 22,255.88

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Solution

The fourth proportional to 35,443.76, 53,161.14 and 22,255.88 is: 33,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.76 : 53,161.14 = 22,255.88 : x
  2. Step 2: Convert to fraction form
    35,443.76/53,161.14 = 22,255.88/x
  3. Step 3: Cross multiply
    35,443.76x = 53,161.14 × 22,255.88
  4. Step 4: Simplify right side
    35,443.76x = 1,183,147,952.50
  5. Step 5: Solve for x
    x = 1,183,147,952.50/35,443.76
  6. Step 6: Final answer
    x = 33,380.99

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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.