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Finding the Fourth Proportional to 11,793.09, 16,274.62 and 6,487.80

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Solution

The fourth proportional to 11,793.09, 16,274.62 and 6,487.80 is: 8,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.09 : 16,274.62 = 6,487.80 : x
  2. Step 2: Convert to fraction form
    11,793.09/16,274.62 = 6,487.80/x
  3. Step 3: Cross multiply
    11,793.09x = 16,274.62 × 6,487.80
  4. Step 4: Simplify right side
    11,793.09x = 105,586,426.72
  5. Step 5: Solve for x
    x = 105,586,426.72/11,793.09
  6. Step 6: Final answer
    x = 8,953.24

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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.