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Finding the Fourth Proportional to 51,892.52, 71,586.82 and 49,880.68

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Solution

The fourth proportional to 51,892.52, 71,586.82 and 49,880.68 is: 68,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.52 : 71,586.82 = 49,880.68 : x
  2. Step 2: Convert to fraction form
    51,892.52/71,586.82 = 49,880.68/x
  3. Step 3: Cross multiply
    51,892.52x = 71,586.82 × 49,880.68
  4. Step 4: Simplify right side
    51,892.52x = 3,570,799,260.64
  5. Step 5: Solve for x
    x = 3,570,799,260.64/51,892.52
  6. Step 6: Final answer
    x = 68,811.44

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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.