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Finding the Fourth Proportional to 5,805.48, 8,708.22 and 4,081.80

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Solution

The fourth proportional to 5,805.48, 8,708.22 and 4,081.80 is: 6,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.48 : 8,708.22 = 4,081.80 : x
  2. Step 2: Convert to fraction form
    5,805.48/8,708.22 = 4,081.80/x
  3. Step 3: Cross multiply
    5,805.48x = 8,708.22 × 4,081.80
  4. Step 4: Simplify right side
    5,805.48x = 35,545,212.40
  5. Step 5: Solve for x
    x = 35,545,212.40/5,805.48
  6. Step 6: Final answer
    x = 6,122.70

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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.