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Finding the Fourth Proportional to 51,953.52, 71,694.42 and 29,292.31

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Solution

The fourth proportional to 51,953.52, 71,694.42 and 29,292.31 is: 40,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,953.52 : 71,694.42 = 29,292.31 : x
  2. Step 2: Convert to fraction form
    51,953.52/71,694.42 = 29,292.31/x
  3. Step 3: Cross multiply
    51,953.52x = 71,694.42 × 29,292.31
  4. Step 4: Simplify right side
    51,953.52x = 2,100,095,029.45
  5. Step 5: Solve for x
    x = 2,100,095,029.45/51,953.52
  6. Step 6: Final answer
    x = 40,422.57

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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.