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Finding the Fourth Proportional to 3,463.83, 4,780.04 and 1,891.92

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Solution

The fourth proportional to 3,463.83, 4,780.04 and 1,891.92 is: 2,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.83 : 4,780.04 = 1,891.92 : x
  2. Step 2: Convert to fraction form
    3,463.83/4,780.04 = 1,891.92/x
  3. Step 3: Cross multiply
    3,463.83x = 4,780.04 × 1,891.92
  4. Step 4: Simplify right side
    3,463.83x = 9,043,443.82
  5. Step 5: Solve for x
    x = 9,043,443.82/3,463.83
  6. Step 6: Final answer
    x = 2,610.82

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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.