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Finding the Fourth Proportional to 49,954.36, 68,941.02 and 29,817.40

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Solution

The fourth proportional to 49,954.36, 68,941.02 and 29,817.40 is: 41,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.36 : 68,941.02 = 29,817.40 : x
  2. Step 2: Convert to fraction form
    49,954.36/68,941.02 = 29,817.40/x
  3. Step 3: Cross multiply
    49,954.36x = 68,941.02 × 29,817.40
  4. Step 4: Simplify right side
    49,954.36x = 2,055,641,969.75
  5. Step 5: Solve for x
    x = 2,055,641,969.75/49,954.36
  6. Step 6: Final answer
    x = 41,150.40

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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.