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Finding the Fourth Proportional to 7,456.60, 11,176.80 and 3,295.90

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Solution

The fourth proportional to 7,456.60, 11,176.80 and 3,295.90 is: 4,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.60 : 11,176.80 = 3,295.90 : x
  2. Step 2: Convert to fraction form
    7,456.60/11,176.80 = 3,295.90/x
  3. Step 3: Cross multiply
    7,456.60x = 11,176.80 × 3,295.90
  4. Step 4: Simplify right side
    7,456.60x = 36,837,615.12
  5. Step 5: Solve for x
    x = 36,837,615.12/7,456.60
  6. Step 6: Final answer
    x = 4,940.27

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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.