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Finding the Fourth Proportional to 55,068, 75,993.84 and 29,918.04

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Solution

The fourth proportional to 55,068, 75,993.84 and 29,918.04 is: 41,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068 : 75,993.84 = 29,918.04 : x
  2. Step 2: Convert to fraction form
    55,068/75,993.84 = 29,918.04/x
  3. Step 3: Cross multiply
    55,068x = 75,993.84 × 29,918.04
  4. Step 4: Simplify right side
    55,068x = 2,273,586,744.87
  5. Step 5: Solve for x
    x = 2,273,586,744.87/55,068
  6. Step 6: Final answer
    x = 41,286.90

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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.