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Finding the Fourth Proportional to 4,935.47, 7,404.57 and 2,745.73

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Solution

The fourth proportional to 4,935.47, 7,404.57 and 2,745.73 is: 4,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.47 : 7,404.57 = 2,745.73 : x
  2. Step 2: Convert to fraction form
    4,935.47/7,404.57 = 2,745.73/x
  3. Step 3: Cross multiply
    4,935.47x = 7,404.57 × 2,745.73
  4. Step 4: Simplify right side
    4,935.47x = 20,330,936.26
  5. Step 5: Solve for x
    x = 20,330,936.26/4,935.47
  6. Step 6: Final answer
    x = 4,119.36

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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.