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Finding the Fourth Proportional to 7,402.10, 11,103.30 and 3,016.52

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Solution

The fourth proportional to 7,402.10, 11,103.30 and 3,016.52 is: 4,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.10 : 11,103.30 = 3,016.52 : x
  2. Step 2: Convert to fraction form
    7,402.10/11,103.30 = 3,016.52/x
  3. Step 3: Cross multiply
    7,402.10x = 11,103.30 × 3,016.52
  4. Step 4: Simplify right side
    7,402.10x = 33,493,326.52
  5. Step 5: Solve for x
    x = 33,493,326.52/7,402.10
  6. Step 6: Final answer
    x = 4,524.84

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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.