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Finding the Fourth Proportional to 41,575.80, 62,363.70 and 40,919.70

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Solution

The fourth proportional to 41,575.80, 62,363.70 and 40,919.70 is: 61,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,575.80 : 62,363.70 = 40,919.70 : x
  2. Step 2: Convert to fraction form
    41,575.80/62,363.70 = 40,919.70/x
  3. Step 3: Cross multiply
    41,575.80x = 62,363.70 × 40,919.70
  4. Step 4: Simplify right side
    41,575.80x = 2,551,903,894.89
  5. Step 5: Solve for x
    x = 2,551,903,894.89/41,575.80
  6. Step 6: Final answer
    x = 61,379.55

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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.