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Finding the Fourth Proportional to 5,369.88, 8,055.96 and 1,672.02

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Solution

The fourth proportional to 5,369.88, 8,055.96 and 1,672.02 is: 2,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.88 : 8,055.96 = 1,672.02 : x
  2. Step 2: Convert to fraction form
    5,369.88/8,055.96 = 1,672.02/x
  3. Step 3: Cross multiply
    5,369.88x = 8,055.96 × 1,672.02
  4. Step 4: Simplify right side
    5,369.88x = 13,469,726.24
  5. Step 5: Solve for x
    x = 13,469,726.24/5,369.88
  6. Step 6: Final answer
    x = 2,508.38

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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.