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Finding the Fourth Proportional to 8,751.46, 13,119.81 and 3,817.48

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Solution

The fourth proportional to 8,751.46, 13,119.81 and 3,817.48 is: 5,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.46 : 13,119.81 = 3,817.48 : x
  2. Step 2: Convert to fraction form
    8,751.46/13,119.81 = 3,817.48/x
  3. Step 3: Cross multiply
    8,751.46x = 13,119.81 × 3,817.48
  4. Step 4: Simplify right side
    8,751.46x = 50,084,612.28
  5. Step 5: Solve for x
    x = 50,084,612.28/8,751.46
  6. Step 6: Final answer
    x = 5,723.00

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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.