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Finding the Fourth Proportional to 5,057.27, 6,976.27 and 3,168.45

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Solution

The fourth proportional to 5,057.27, 6,976.27 and 3,168.45 is: 4,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.27 : 6,976.27 = 3,168.45 : x
  2. Step 2: Convert to fraction form
    5,057.27/6,976.27 = 3,168.45/x
  3. Step 3: Cross multiply
    5,057.27x = 6,976.27 × 3,168.45
  4. Step 4: Simplify right side
    5,057.27x = 22,103,962.68
  5. Step 5: Solve for x
    x = 22,103,962.68/5,057.27
  6. Step 6: Final answer
    x = 4,370.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.