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Finding the Fourth Proportional to 62,806.60, 94,428.60 and 53,183.80

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Solution

The fourth proportional to 62,806.60, 94,428.60 and 53,183.80 is: 79,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,806.60 : 94,428.60 = 53,183.80 : x
  2. Step 2: Convert to fraction form
    62,806.60/94,428.60 = 53,183.80/x
  3. Step 3: Cross multiply
    62,806.60x = 94,428.60 × 53,183.80
  4. Step 4: Simplify right side
    62,806.60x = 5,022,071,776.68
  5. Step 5: Solve for x
    x = 5,022,071,776.68/62,806.60
  6. Step 6: Final answer
    x = 79,960.89

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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.