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Finding the Fourth Proportional to 57,697.80, 86,595.30 and 22,662.60

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Solution

The fourth proportional to 57,697.80, 86,595.30 and 22,662.60 is: 34,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697.80 : 86,595.30 = 22,662.60 : x
  2. Step 2: Convert to fraction form
    57,697.80/86,595.30 = 22,662.60/x
  3. Step 3: Cross multiply
    57,697.80x = 86,595.30 × 22,662.60
  4. Step 4: Simplify right side
    57,697.80x = 1,962,474,645.78
  5. Step 5: Solve for x
    x = 1,962,474,645.78/57,697.80
  6. Step 6: Final answer
    x = 34,012.99

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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.