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Finding the Fourth Proportional to 49,793.36, 68,730 and 29,653.52

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Solution

The fourth proportional to 49,793.36, 68,730 and 29,653.52 is: 40,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.36 : 68,730 = 29,653.52 : x
  2. Step 2: Convert to fraction form
    49,793.36/68,730 = 29,653.52/x
  3. Step 3: Cross multiply
    49,793.36x = 68,730 × 29,653.52
  4. Step 4: Simplify right side
    49,793.36x = 2,038,086,429.60
  5. Step 5: Solve for x
    x = 2,038,086,429.60/49,793.36
  6. Step 6: Final answer
    x = 40,930.89

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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.