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Finding the Fourth Proportional to 49,689.92, 68,584.92 and 34,585.04

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Solution

The fourth proportional to 49,689.92, 68,584.92 and 34,585.04 is: 47,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.92 : 68,584.92 = 34,585.04 : x
  2. Step 2: Convert to fraction form
    49,689.92/68,584.92 = 34,585.04/x
  3. Step 3: Cross multiply
    49,689.92x = 68,584.92 × 34,585.04
  4. Step 4: Simplify right side
    49,689.92x = 2,372,012,201.60
  5. Step 5: Solve for x
    x = 2,372,012,201.60/49,689.92
  6. Step 6: Final answer
    x = 47,736.29

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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.