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Finding the Fourth Proportional to 62,806.80, 94,181.40 and 27,728.40

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Solution

The fourth proportional to 62,806.80, 94,181.40 and 27,728.40 is: 41,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,806.80 : 94,181.40 = 27,728.40 : x
  2. Step 2: Convert to fraction form
    62,806.80/94,181.40 = 27,728.40/x
  3. Step 3: Cross multiply
    62,806.80x = 94,181.40 × 27,728.40
  4. Step 4: Simplify right side
    62,806.80x = 2,611,499,531.76
  5. Step 5: Solve for x
    x = 2,611,499,531.76/62,806.80
  6. Step 6: Final answer
    x = 41,579.89

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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.