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Finding the Fourth Proportional to 3,806.07, 5,710.52 and 1,614.21

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Solution

The fourth proportional to 3,806.07, 5,710.52 and 1,614.21 is: 2,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.07 : 5,710.52 = 1,614.21 : x
  2. Step 2: Convert to fraction form
    3,806.07/5,710.52 = 1,614.21/x
  3. Step 3: Cross multiply
    3,806.07x = 5,710.52 × 1,614.21
  4. Step 4: Simplify right side
    3,806.07x = 9,217,978.49
  5. Step 5: Solve for x
    x = 9,217,978.49/3,806.07
  6. Step 6: Final answer
    x = 2,421.92

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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.