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Finding the Fourth Proportional to 62,019.90, 92,974.50 and 28,694.12

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Solution

The fourth proportional to 62,019.90, 92,974.50 and 28,694.12 is: 43,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,019.90 : 92,974.50 = 28,694.12 : x
  2. Step 2: Convert to fraction form
    62,019.90/92,974.50 = 28,694.12/x
  3. Step 3: Cross multiply
    62,019.90x = 92,974.50 × 28,694.12
  4. Step 4: Simplify right side
    62,019.90x = 2,667,821,658.49
  5. Step 5: Solve for x
    x = 2,667,821,658.49/62,019.90
  6. Step 6: Final answer
    x = 43,015.57

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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.