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Finding the Fourth Proportional to 5,451.76, 7,523.22 and 3,093.76

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Solution

The fourth proportional to 5,451.76, 7,523.22 and 3,093.76 is: 4,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.76 : 7,523.22 = 3,093.76 : x
  2. Step 2: Convert to fraction form
    5,451.76/7,523.22 = 3,093.76/x
  3. Step 3: Cross multiply
    5,451.76x = 7,523.22 × 3,093.76
  4. Step 4: Simplify right side
    5,451.76x = 23,275,037.11
  5. Step 5: Solve for x
    x = 23,275,037.11/5,451.76
  6. Step 6: Final answer
    x = 4,269.27

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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.