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Finding the Fourth Proportional to 57,797.20, 86,677.80 and 22,747.60

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Solution

The fourth proportional to 57,797.20, 86,677.80 and 22,747.60 is: 34,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.20 : 86,677.80 = 22,747.60 : x
  2. Step 2: Convert to fraction form
    57,797.20/86,677.80 = 22,747.60/x
  3. Step 3: Cross multiply
    57,797.20x = 86,677.80 × 22,747.60
  4. Step 4: Simplify right side
    57,797.20x = 1,971,711,923.28
  5. Step 5: Solve for x
    x = 1,971,711,923.28/57,797.20
  6. Step 6: Final answer
    x = 34,114.32

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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.