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Finding the Fourth Proportional to 30,801.67, 46,195.44 and 8,616.61

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Solution

The fourth proportional to 30,801.67, 46,195.44 and 8,616.61 is: 12,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.67 : 46,195.44 = 8,616.61 : x
  2. Step 2: Convert to fraction form
    30,801.67/46,195.44 = 8,616.61/x
  3. Step 3: Cross multiply
    30,801.67x = 46,195.44 × 8,616.61
  4. Step 4: Simplify right side
    30,801.67x = 398,048,238.06
  5. Step 5: Solve for x
    x = 398,048,238.06/30,801.67
  6. Step 6: Final answer
    x = 12,922.94

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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.