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Finding the Fourth Proportional to 3,350, 5,026.22 and 3,080.28

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Solution

The fourth proportional to 3,350, 5,026.22 and 3,080.28 is: 4,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350 : 5,026.22 = 3,080.28 : x
  2. Step 2: Convert to fraction form
    3,350/5,026.22 = 3,080.28/x
  3. Step 3: Cross multiply
    3,350x = 5,026.22 × 3,080.28
  4. Step 4: Simplify right side
    3,350x = 15,482,164.94
  5. Step 5: Solve for x
    x = 15,482,164.94/3,350
  6. Step 6: Final answer
    x = 4,621.54

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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.