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Finding the Fourth Proportional to 3,899.91, 5,845.82 and 2,495.32

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Solution

The fourth proportional to 3,899.91, 5,845.82 and 2,495.32 is: 3,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.91 : 5,845.82 = 2,495.32 : x
  2. Step 2: Convert to fraction form
    3,899.91/5,845.82 = 2,495.32/x
  3. Step 3: Cross multiply
    3,899.91x = 5,845.82 × 2,495.32
  4. Step 4: Simplify right side
    3,899.91x = 14,587,197.35
  5. Step 5: Solve for x
    x = 14,587,197.35/3,899.91
  6. Step 6: Final answer
    x = 3,740.39

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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.