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Finding the Fourth Proportional to 63,211.68, 94,817.49 and 18,837.30

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Solution

The fourth proportional to 63,211.68, 94,817.49 and 18,837.30 is: 28,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.68 : 94,817.49 = 18,837.30 : x
  2. Step 2: Convert to fraction form
    63,211.68/94,817.49 = 18,837.30/x
  3. Step 3: Cross multiply
    63,211.68x = 94,817.49 × 18,837.30
  4. Step 4: Simplify right side
    63,211.68x = 1,786,105,504.38
  5. Step 5: Solve for x
    x = 1,786,105,504.38/63,211.68
  6. Step 6: Final answer
    x = 28,255.94

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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.