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Finding the Fourth Proportional to 51,994.91, 71,687.88 and 43,393.43

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Solution

The fourth proportional to 51,994.91, 71,687.88 and 43,393.43 is: 59,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.91 : 71,687.88 = 43,393.43 : x
  2. Step 2: Convert to fraction form
    51,994.91/71,687.88 = 43,393.43/x
  3. Step 3: Cross multiply
    51,994.91x = 71,687.88 × 43,393.43
  4. Step 4: Simplify right side
    51,994.91x = 3,110,783,002.63
  5. Step 5: Solve for x
    x = 3,110,783,002.63/51,994.91
  6. Step 6: Final answer
    x = 59,828.61

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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.