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Finding the Fourth Proportional to 57,836.90, 86,776.96 and 22,800.98

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Solution

The fourth proportional to 57,836.90, 86,776.96 and 22,800.98 is: 34,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,836.90 : 86,776.96 = 22,800.98 : x
  2. Step 2: Convert to fraction form
    57,836.90/86,776.96 = 22,800.98/x
  3. Step 3: Cross multiply
    57,836.90x = 86,776.96 × 22,800.98
  4. Step 4: Simplify right side
    57,836.90x = 1,978,599,729.42
  5. Step 5: Solve for x
    x = 1,978,599,729.42/57,836.90
  6. Step 6: Final answer
    x = 34,209.99

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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.