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Finding the Fourth Proportional to 62,734.62, 86,580.66 and 35,879.64

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Solution

The fourth proportional to 62,734.62, 86,580.66 and 35,879.64 is: 49,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,734.62 : 86,580.66 = 35,879.64 : x
  2. Step 2: Convert to fraction form
    62,734.62/86,580.66 = 35,879.64/x
  3. Step 3: Cross multiply
    62,734.62x = 86,580.66 × 35,879.64
  4. Step 4: Simplify right side
    62,734.62x = 3,106,482,911.76
  5. Step 5: Solve for x
    x = 3,106,482,911.76/62,734.62
  6. Step 6: Final answer
    x = 49,517.84

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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.