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Finding the Fourth Proportional to 4,886.66, 6,744.03 and 2,791.46

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Solution

The fourth proportional to 4,886.66, 6,744.03 and 2,791.46 is: 3,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.66 : 6,744.03 = 2,791.46 : x
  2. Step 2: Convert to fraction form
    4,886.66/6,744.03 = 2,791.46/x
  3. Step 3: Cross multiply
    4,886.66x = 6,744.03 × 2,791.46
  4. Step 4: Simplify right side
    4,886.66x = 18,825,689.98
  5. Step 5: Solve for x
    x = 18,825,689.98/4,886.66
  6. Step 6: Final answer
    x = 3,852.47

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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.