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Finding the Fourth Proportional to 5,575.79, 7,694.81 and 3,057.99

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Solution

The fourth proportional to 5,575.79, 7,694.81 and 3,057.99 is: 4,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.79 : 7,694.81 = 3,057.99 : x
  2. Step 2: Convert to fraction form
    5,575.79/7,694.81 = 3,057.99/x
  3. Step 3: Cross multiply
    5,575.79x = 7,694.81 × 3,057.99
  4. Step 4: Simplify right side
    5,575.79x = 23,530,610.75
  5. Step 5: Solve for x
    x = 23,530,610.75/5,575.79
  6. Step 6: Final answer
    x = 4,220.14

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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.