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Finding the Fourth Proportional to 3,560.44, 5,340.48 and 2,080.48

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Solution

The fourth proportional to 3,560.44, 5,340.48 and 2,080.48 is: 3,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.44 : 5,340.48 = 2,080.48 : x
  2. Step 2: Convert to fraction form
    3,560.44/5,340.48 = 2,080.48/x
  3. Step 3: Cross multiply
    3,560.44x = 5,340.48 × 2,080.48
  4. Step 4: Simplify right side
    3,560.44x = 11,110,761.83
  5. Step 5: Solve for x
    x = 11,110,761.83/3,560.44
  6. Step 6: Final answer
    x = 3,120.61

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1.5x scale

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.