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Finding the Fourth Proportional to 3,805.22, 5,708.70 and 1,614.03

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Solution

The fourth proportional to 3,805.22, 5,708.70 and 1,614.03 is: 2,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.22 : 5,708.70 = 1,614.03 : x
  2. Step 2: Convert to fraction form
    3,805.22/5,708.70 = 1,614.03/x
  3. Step 3: Cross multiply
    3,805.22x = 5,708.70 × 1,614.03
  4. Step 4: Simplify right side
    3,805.22x = 9,214,013.06
  5. Step 5: Solve for x
    x = 9,214,013.06/3,805.22
  6. Step 6: Final answer
    x = 2,421.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.