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Finding the Fourth Proportional to 51,967.44, 71,721.86 and 29,313.56

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Solution

The fourth proportional to 51,967.44, 71,721.86 and 29,313.56 is: 40,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,967.44 : 71,721.86 = 29,313.56 : x
  2. Step 2: Convert to fraction form
    51,967.44/71,721.86 = 29,313.56/x
  3. Step 3: Cross multiply
    51,967.44x = 71,721.86 × 29,313.56
  4. Step 4: Simplify right side
    51,967.44x = 2,102,423,079.16
  5. Step 5: Solve for x
    x = 2,102,423,079.16/51,967.44
  6. Step 6: Final answer
    x = 40,456.55

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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.