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Finding the Fourth Proportional to 3,195.86, 4,792.77 and 1,346.63

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Solution

The fourth proportional to 3,195.86, 4,792.77 and 1,346.63 is: 2,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.86 : 4,792.77 = 1,346.63 : x
  2. Step 2: Convert to fraction form
    3,195.86/4,792.77 = 1,346.63/x
  3. Step 3: Cross multiply
    3,195.86x = 4,792.77 × 1,346.63
  4. Step 4: Simplify right side
    3,195.86x = 6,454,063.90
  5. Step 5: Solve for x
    x = 6,454,063.90/3,195.86
  6. Step 6: Final answer
    x = 2,019.51

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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.