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Finding the Fourth Proportional to 8,964.03, 13,449.92 and 3,419.04

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Solution

The fourth proportional to 8,964.03, 13,449.92 and 3,419.04 is: 5,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.03 : 13,449.92 = 3,419.04 : x
  2. Step 2: Convert to fraction form
    8,964.03/13,449.92 = 3,419.04/x
  3. Step 3: Cross multiply
    8,964.03x = 13,449.92 × 3,419.04
  4. Step 4: Simplify right side
    8,964.03x = 45,985,797.38
  5. Step 5: Solve for x
    x = 45,985,797.38/8,964.03
  6. Step 6: Final answer
    x = 5,130.04

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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.