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Finding the Fourth Proportional to 12,035.50, 16,608.89 and 6,730.32

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Solution

The fourth proportional to 12,035.50, 16,608.89 and 6,730.32 is: 9,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.50 : 16,608.89 = 6,730.32 : x
  2. Step 2: Convert to fraction form
    12,035.50/16,608.89 = 6,730.32/x
  3. Step 3: Cross multiply
    12,035.50x = 16,608.89 × 6,730.32
  4. Step 4: Simplify right side
    12,035.50x = 111,783,128.02
  5. Step 5: Solve for x
    x = 111,783,128.02/12,035.50
  6. Step 6: Final answer
    x = 9,287.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.