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Finding the Fourth Proportional to 4,986.17, 6,881 and 2,748.03

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Solution

The fourth proportional to 4,986.17, 6,881 and 2,748.03 is: 3,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.17 : 6,881 = 2,748.03 : x
  2. Step 2: Convert to fraction form
    4,986.17/6,881 = 2,748.03/x
  3. Step 3: Cross multiply
    4,986.17x = 6,881 × 2,748.03
  4. Step 4: Simplify right side
    4,986.17x = 18,909,194.43
  5. Step 5: Solve for x
    x = 18,909,194.43/4,986.17
  6. Step 6: Final answer
    x = 3,792.33

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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.