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Finding the Fourth Proportional to 30,936.56, 46,404.84 and 7,562.96

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Solution

The fourth proportional to 30,936.56, 46,404.84 and 7,562.96 is: 11,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.56 : 46,404.84 = 7,562.96 : x
  2. Step 2: Convert to fraction form
    30,936.56/46,404.84 = 7,562.96/x
  3. Step 3: Cross multiply
    30,936.56x = 46,404.84 × 7,562.96
  4. Step 4: Simplify right side
    30,936.56x = 350,957,948.73
  5. Step 5: Solve for x
    x = 350,957,948.73/30,936.56
  6. Step 6: Final answer
    x = 11,344.44

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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.