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Finding the Fourth Proportional to 5,249.94, 7,873.77 and 1,551.54

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Solution

The fourth proportional to 5,249.94, 7,873.77 and 1,551.54 is: 2,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.94 : 7,873.77 = 1,551.54 : x
  2. Step 2: Convert to fraction form
    5,249.94/7,873.77 = 1,551.54/x
  3. Step 3: Cross multiply
    5,249.94x = 7,873.77 × 1,551.54
  4. Step 4: Simplify right side
    5,249.94x = 12,216,469.11
  5. Step 5: Solve for x
    x = 12,216,469.11/5,249.94
  6. Step 6: Final answer
    x = 2,326.97

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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.