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Finding the Fourth Proportional to 45,308.73, 67,963.05 and 29,722.71

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Solution

The fourth proportional to 45,308.73, 67,963.05 and 29,722.71 is: 44,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308.73 : 67,963.05 = 29,722.71 : x
  2. Step 2: Convert to fraction form
    45,308.73/67,963.05 = 29,722.71/x
  3. Step 3: Cross multiply
    45,308.73x = 67,963.05 × 29,722.71
  4. Step 4: Simplify right side
    45,308.73x = 2,020,046,025.87
  5. Step 5: Solve for x
    x = 2,020,046,025.87/45,308.73
  6. Step 6: Final answer
    x = 44,584.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.