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Finding the Fourth Proportional to 2,936.54, 4,404.82 and 745.27

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Solution

The fourth proportional to 2,936.54, 4,404.82 and 745.27 is: 1,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.54 : 4,404.82 = 745.27 : x
  2. Step 2: Convert to fraction form
    2,936.54/4,404.82 = 745.27/x
  3. Step 3: Cross multiply
    2,936.54x = 4,404.82 × 745.27
  4. Step 4: Simplify right side
    2,936.54x = 3,282,780.20
  5. Step 5: Solve for x
    x = 3,282,780.20/2,936.54
  6. Step 6: Final answer
    x = 1,117.91

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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.