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Finding the Fourth Proportional to 8,584.53, 11,842.47 and 5,401.77

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Solution

The fourth proportional to 8,584.53, 11,842.47 and 5,401.77 is: 7,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.53 : 11,842.47 = 5,401.77 : x
  2. Step 2: Convert to fraction form
    8,584.53/11,842.47 = 5,401.77/x
  3. Step 3: Cross multiply
    8,584.53x = 11,842.47 × 5,401.77
  4. Step 4: Simplify right side
    8,584.53x = 63,970,299.17
  5. Step 5: Solve for x
    x = 63,970,299.17/8,584.53
  6. Step 6: Final answer
    x = 7,451.81

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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.