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Finding the Fourth Proportional to 62,640.96, 93,777.12 and 41,812.80

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Solution

The fourth proportional to 62,640.96, 93,777.12 and 41,812.80 is: 62,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.96 : 93,777.12 = 41,812.80 : x
  2. Step 2: Convert to fraction form
    62,640.96/93,777.12 = 41,812.80/x
  3. Step 3: Cross multiply
    62,640.96x = 93,777.12 × 41,812.80
  4. Step 4: Simplify right side
    62,640.96x = 3,921,083,963.14
  5. Step 5: Solve for x
    x = 3,921,083,963.14/62,640.96
  6. Step 6: Final answer
    x = 62,596.17

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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.