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Finding the Fourth Proportional to 4,662, 6,433.56 and 2,799

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Solution

The fourth proportional to 4,662, 6,433.56 and 2,799 is: 3,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662 : 6,433.56 = 2,799 : x
  2. Step 2: Convert to fraction form
    4,662/6,433.56 = 2,799/x
  3. Step 3: Cross multiply
    4,662x = 6,433.56 × 2,799
  4. Step 4: Simplify right side
    4,662x = 18,007,534.44
  5. Step 5: Solve for x
    x = 18,007,534.44/4,662
  6. Step 6: Final answer
    x = 3,862.62

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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.