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Finding the Fourth Proportional to 57,311.52, 85,855.45 and 37,530.11

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Solution

The fourth proportional to 57,311.52, 85,855.45 and 37,530.11 is: 56,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.52 : 85,855.45 = 37,530.11 : x
  2. Step 2: Convert to fraction form
    57,311.52/85,855.45 = 37,530.11/x
  3. Step 3: Cross multiply
    57,311.52x = 85,855.45 × 37,530.11
  4. Step 4: Simplify right side
    57,311.52x = 3,222,164,190.84
  5. Step 5: Solve for x
    x = 3,222,164,190.84/57,311.52
  6. Step 6: Final answer
    x = 56,221.93

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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.