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Finding the Fourth Proportional to 4,954.78, 6,837.64 and 2,716.68

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Solution

The fourth proportional to 4,954.78, 6,837.64 and 2,716.68 is: 3,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.78 : 6,837.64 = 2,716.68 : x
  2. Step 2: Convert to fraction form
    4,954.78/6,837.64 = 2,716.68/x
  3. Step 3: Cross multiply
    4,954.78x = 6,837.64 × 2,716.68
  4. Step 4: Simplify right side
    4,954.78x = 18,575,658.25
  5. Step 5: Solve for x
    x = 18,575,658.25/4,954.78
  6. Step 6: Final answer
    x = 3,749.04

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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.