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Finding the Fourth Proportional to 57,791.02, 86,530.74 and 37,750.88

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Solution

The fourth proportional to 57,791.02, 86,530.74 and 37,750.88 is: 56,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,791.02 : 86,530.74 = 37,750.88 : x
  2. Step 2: Convert to fraction form
    57,791.02/86,530.74 = 37,750.88/x
  3. Step 3: Cross multiply
    57,791.02x = 86,530.74 × 37,750.88
  4. Step 4: Simplify right side
    57,791.02x = 3,266,611,582.05
  5. Step 5: Solve for x
    x = 3,266,611,582.05/57,791.02
  6. Step 6: Final answer
    x = 56,524.55

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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.