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Finding the Fourth Proportional to 7,447.82, 11,172.02 and 3,748.04

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Solution

The fourth proportional to 7,447.82, 11,172.02 and 3,748.04 is: 5,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.82 : 11,172.02 = 3,748.04 : x
  2. Step 2: Convert to fraction form
    7,447.82/11,172.02 = 3,748.04/x
  3. Step 3: Cross multiply
    7,447.82x = 11,172.02 × 3,748.04
  4. Step 4: Simplify right side
    7,447.82x = 41,873,159.10
  5. Step 5: Solve for x
    x = 41,873,159.10/7,447.82
  6. Step 6: Final answer
    x = 5,622.20

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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.