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Finding the Fourth Proportional to 8,806.50, 12,152.97 and 5,080.50

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Solution

The fourth proportional to 8,806.50, 12,152.97 and 5,080.50 is: 7,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.50 : 12,152.97 = 5,080.50 : x
  2. Step 2: Convert to fraction form
    8,806.50/12,152.97 = 5,080.50/x
  3. Step 3: Cross multiply
    8,806.50x = 12,152.97 × 5,080.50
  4. Step 4: Simplify right side
    8,806.50x = 61,743,164.09
  5. Step 5: Solve for x
    x = 61,743,164.09/8,806.50
  6. Step 6: Final answer
    x = 7,011.09

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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.