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Finding the Fourth Proportional to 5,745.82, 7,930.08 and 3,508.99

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Solution

The fourth proportional to 5,745.82, 7,930.08 and 3,508.99 is: 4,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.82 : 7,930.08 = 3,508.99 : x
  2. Step 2: Convert to fraction form
    5,745.82/7,930.08 = 3,508.99/x
  3. Step 3: Cross multiply
    5,745.82x = 7,930.08 × 3,508.99
  4. Step 4: Simplify right side
    5,745.82x = 27,826,571.42
  5. Step 5: Solve for x
    x = 27,826,571.42/5,745.82
  6. Step 6: Final answer
    x = 4,842.93

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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.