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Finding the Fourth Proportional to 3,581.15, 5,362.34 and 2,751.00

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Solution

The fourth proportional to 3,581.15, 5,362.34 and 2,751.00 is: 4,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.15 : 5,362.34 = 2,751.00 : x
  2. Step 2: Convert to fraction form
    3,581.15/5,362.34 = 2,751.00/x
  3. Step 3: Cross multiply
    3,581.15x = 5,362.34 × 2,751.00
  4. Step 4: Simplify right side
    3,581.15x = 14,751,763.48
  5. Step 5: Solve for x
    x = 14,751,763.48/3,581.15
  6. Step 6: Final answer
    x = 4,119.29

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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.