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Finding the Fourth Proportional to 51,180.99, 70,629.87 and 29,674.88

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Solution

The fourth proportional to 51,180.99, 70,629.87 and 29,674.88 is: 40,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.99 : 70,629.87 = 29,674.88 : x
  2. Step 2: Convert to fraction form
    51,180.99/70,629.87 = 29,674.88/x
  3. Step 3: Cross multiply
    51,180.99x = 70,629.87 × 29,674.88
  4. Step 4: Simplify right side
    51,180.99x = 2,095,932,916.67
  5. Step 5: Solve for x
    x = 2,095,932,916.67/51,180.99
  6. Step 6: Final answer
    x = 40,951.39

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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.