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Finding the Fourth Proportional to 13,576.21, 18,734.99 and 7,608.00

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Solution

The fourth proportional to 13,576.21, 18,734.99 and 7,608.00 is: 10,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.21 : 18,734.99 = 7,608.00 : x
  2. Step 2: Convert to fraction form
    13,576.21/18,734.99 = 7,608.00/x
  3. Step 3: Cross multiply
    13,576.21x = 18,734.99 × 7,608.00
  4. Step 4: Simplify right side
    13,576.21x = 142,535,724.15
  5. Step 5: Solve for x
    x = 142,535,724.15/13,576.21
  6. Step 6: Final answer
    x = 10,498.93

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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.