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Finding the Fourth Proportional to 7,103.12, 10,654.68 and 3,404.56

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Solution

The fourth proportional to 7,103.12, 10,654.68 and 3,404.56 is: 5,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.12 : 10,654.68 = 3,404.56 : x
  2. Step 2: Convert to fraction form
    7,103.12/10,654.68 = 3,404.56/x
  3. Step 3: Cross multiply
    7,103.12x = 10,654.68 × 3,404.56
  4. Step 4: Simplify right side
    7,103.12x = 36,274,497.34
  5. Step 5: Solve for x
    x = 36,274,497.34/7,103.12
  6. Step 6: Final answer
    x = 5,106.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.