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Finding the Fourth Proportional to 8,995.71, 13,493.72 and 3,449.37

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Solution

The fourth proportional to 8,995.71, 13,493.72 and 3,449.37 is: 5,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.71 : 13,493.72 = 3,449.37 : x
  2. Step 2: Convert to fraction form
    8,995.71/13,493.72 = 3,449.37/x
  3. Step 3: Cross multiply
    8,995.71x = 13,493.72 × 3,449.37
  4. Step 4: Simplify right side
    8,995.71x = 46,544,748.24
  5. Step 5: Solve for x
    x = 46,544,748.24/8,995.71
  6. Step 6: Final answer
    x = 5,174.11

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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.