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Finding the Fourth Proportional to 53,874.57, 80,812.01 and 53,796.72

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Solution

The fourth proportional to 53,874.57, 80,812.01 and 53,796.72 is: 80,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,874.57 : 80,812.01 = 53,796.72 : x
  2. Step 2: Convert to fraction form
    53,874.57/80,812.01 = 53,796.72/x
  3. Step 3: Cross multiply
    53,874.57x = 80,812.01 × 53,796.72
  4. Step 4: Simplify right side
    53,874.57x = 4,347,420,805.62
  5. Step 5: Solve for x
    x = 4,347,420,805.62/53,874.57
  6. Step 6: Final answer
    x = 80,695.23

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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.