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Finding the Fourth Proportional to 61,635.71, 85,057.68 and 36,136.37

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Solution

The fourth proportional to 61,635.71, 85,057.68 and 36,136.37 is: 49,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,635.71 : 85,057.68 = 36,136.37 : x
  2. Step 2: Convert to fraction form
    61,635.71/85,057.68 = 36,136.37/x
  3. Step 3: Cross multiply
    61,635.71x = 85,057.68 × 36,136.37
  4. Step 4: Simplify right side
    61,635.71x = 3,073,675,370.53
  5. Step 5: Solve for x
    x = 3,073,675,370.53/61,635.71
  6. Step 6: Final answer
    x = 49,868.42

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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.