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Finding the Fourth Proportional to 50,951.68, 70,321.68 and 29,730.89

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Solution

The fourth proportional to 50,951.68, 70,321.68 and 29,730.89 is: 41,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,951.68 : 70,321.68 = 29,730.89 : x
  2. Step 2: Convert to fraction form
    50,951.68/70,321.68 = 29,730.89/x
  3. Step 3: Cross multiply
    50,951.68x = 70,321.68 × 29,730.89
  4. Step 4: Simplify right side
    50,951.68x = 2,090,726,132.70
  5. Step 5: Solve for x
    x = 2,090,726,132.70/50,951.68
  6. Step 6: Final answer
    x = 41,033.51

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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.