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Finding the Fourth Proportional to 63,136.85, 94,583.79 and 39,453.71

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Solution

The fourth proportional to 63,136.85, 94,583.79 and 39,453.71 is: 59,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,136.85 : 94,583.79 = 39,453.71 : x
  2. Step 2: Convert to fraction form
    63,136.85/94,583.79 = 39,453.71/x
  3. Step 3: Cross multiply
    63,136.85x = 94,583.79 × 39,453.71
  4. Step 4: Simplify right side
    63,136.85x = 3,731,680,948.44
  5. Step 5: Solve for x
    x = 3,731,680,948.44/63,136.85
  6. Step 6: Final answer
    x = 59,104.65

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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.