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Finding the Fourth Proportional to 4,886.73, 6,743.37 and 2,762.61

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Solution

The fourth proportional to 4,886.73, 6,743.37 and 2,762.61 is: 3,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.73 : 6,743.37 = 2,762.61 : x
  2. Step 2: Convert to fraction form
    4,886.73/6,743.37 = 2,762.61/x
  3. Step 3: Cross multiply
    4,886.73x = 6,743.37 × 2,762.61
  4. Step 4: Simplify right side
    4,886.73x = 18,629,301.40
  5. Step 5: Solve for x
    x = 18,629,301.40/4,886.73
  6. Step 6: Final answer
    x = 3,812.22

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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.