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Finding the Fourth Proportional to 62,102.70, 85,700.37 and 36,265.69

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Solution

The fourth proportional to 62,102.70, 85,700.37 and 36,265.69 is: 50,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,102.70 : 85,700.37 = 36,265.69 : x
  2. Step 2: Convert to fraction form
    62,102.70/85,700.37 = 36,265.69/x
  3. Step 3: Cross multiply
    62,102.70x = 85,700.37 × 36,265.69
  4. Step 4: Simplify right side
    62,102.70x = 3,107,982,837.05
  5. Step 5: Solve for x
    x = 3,107,982,837.05/62,102.70
  6. Step 6: Final answer
    x = 50,045.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.