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Finding the Fourth Proportional to 13,497.26, 18,627.84 and 7,908.26

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Solution

The fourth proportional to 13,497.26, 18,627.84 and 7,908.26 is: 10,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.26 : 18,627.84 = 7,908.26 : x
  2. Step 2: Convert to fraction form
    13,497.26/18,627.84 = 7,908.26/x
  3. Step 3: Cross multiply
    13,497.26x = 18,627.84 × 7,908.26
  4. Step 4: Simplify right side
    13,497.26x = 147,313,801.96
  5. Step 5: Solve for x
    x = 147,313,801.96/13,497.26
  6. Step 6: Final answer
    x = 10,914.35

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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.