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Finding the Fourth Proportional to 62,914.60, 86,825.73 and 36,061.57

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Solution

The fourth proportional to 62,914.60, 86,825.73 and 36,061.57 is: 49,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,914.60 : 86,825.73 = 36,061.57 : x
  2. Step 2: Convert to fraction form
    62,914.60/86,825.73 = 36,061.57/x
  3. Step 3: Cross multiply
    62,914.60x = 86,825.73 × 36,061.57
  4. Step 4: Simplify right side
    62,914.60x = 3,131,072,140.20
  5. Step 5: Solve for x
    x = 3,131,072,140.20/62,914.60
  6. Step 6: Final answer
    x = 49,767.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.