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Finding the Fourth Proportional to 7,735.22, 10,668 and 5,214.02

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Solution

The fourth proportional to 7,735.22, 10,668 and 5,214.02 is: 7,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.22 : 10,668 = 5,214.02 : x
  2. Step 2: Convert to fraction form
    7,735.22/10,668 = 5,214.02/x
  3. Step 3: Cross multiply
    7,735.22x = 10,668 × 5,214.02
  4. Step 4: Simplify right side
    7,735.22x = 55,623,112.02
  5. Step 5: Solve for x
    x = 55,623,112.02/7,735.22
  6. Step 6: Final answer
    x = 7,190.89

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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.