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Finding the Fourth Proportional to 41,179.70, 61,792.89 and 18,993.08

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Solution

The fourth proportional to 41,179.70, 61,792.89 and 18,993.08 is: 28,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,179.70 : 61,792.89 = 18,993.08 : x
  2. Step 2: Convert to fraction form
    41,179.70/61,792.89 = 18,993.08/x
  3. Step 3: Cross multiply
    41,179.70x = 61,792.89 × 18,993.08
  4. Step 4: Simplify right side
    41,179.70x = 1,173,636,994.24
  5. Step 5: Solve for x
    x = 1,173,636,994.24/41,179.70
  6. Step 6: Final answer
    x = 28,500.38

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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.