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Finding the Fourth Proportional to 8,847.74, 12,188.92 and 7,584.62

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Solution

The fourth proportional to 8,847.74, 12,188.92 and 7,584.62 is: 10,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.74 : 12,188.92 = 7,584.62 : x
  2. Step 2: Convert to fraction form
    8,847.74/12,188.92 = 7,584.62/x
  3. Step 3: Cross multiply
    8,847.74x = 12,188.92 × 7,584.62
  4. Step 4: Simplify right side
    8,847.74x = 92,448,246.50
  5. Step 5: Solve for x
    x = 92,448,246.50/8,847.74
  6. Step 6: Final answer
    x = 10,448.80

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Why These Related Problems?

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