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Finding the Fourth Proportional to 57,250.40, 85,895.04 and 51,729.44

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Solution

The fourth proportional to 57,250.40, 85,895.04 and 51,729.44 is: 77,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.40 : 85,895.04 = 51,729.44 : x
  2. Step 2: Convert to fraction form
    57,250.40/85,895.04 = 51,729.44/x
  3. Step 3: Cross multiply
    57,250.40x = 85,895.04 × 51,729.44
  4. Step 4: Simplify right side
    57,250.40x = 4,443,302,317.98
  5. Step 5: Solve for x
    x = 4,443,302,317.98/57,250.40
  6. Step 6: Final answer
    x = 77,611.73

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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.