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Finding the Fourth Proportional to 8,704.47, 13,035.81 and 4,995.48

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Solution

The fourth proportional to 8,704.47, 13,035.81 and 4,995.48 is: 7,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.47 : 13,035.81 = 4,995.48 : x
  2. Step 2: Convert to fraction form
    8,704.47/13,035.81 = 4,995.48/x
  3. Step 3: Cross multiply
    8,704.47x = 13,035.81 × 4,995.48
  4. Step 4: Simplify right side
    8,704.47x = 65,120,128.14
  5. Step 5: Solve for x
    x = 65,120,128.14/8,704.47
  6. Step 6: Final answer
    x = 7,481.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.