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Finding the Fourth Proportional to 7,513.97, 11,249.99 and 3,808.22

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Solution

The fourth proportional to 7,513.97, 11,249.99 and 3,808.22 is: 5,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.97 : 11,249.99 = 3,808.22 : x
  2. Step 2: Convert to fraction form
    7,513.97/11,249.99 = 3,808.22/x
  3. Step 3: Cross multiply
    7,513.97x = 11,249.99 × 3,808.22
  4. Step 4: Simplify right side
    7,513.97x = 42,842,375.91
  5. Step 5: Solve for x
    x = 42,842,375.91/7,513.97
  6. Step 6: Final answer
    x = 5,701.70

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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.