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Finding the Fourth Proportional to 4,404.93, 6,601.72 and 1,939.11

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Solution

The fourth proportional to 4,404.93, 6,601.72 and 1,939.11 is: 2,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,404.93 : 6,601.72 = 1,939.11 : x
  2. Step 2: Convert to fraction form
    4,404.93/6,601.72 = 1,939.11/x
  3. Step 3: Cross multiply
    4,404.93x = 6,601.72 × 1,939.11
  4. Step 4: Simplify right side
    4,404.93x = 12,801,418.57
  5. Step 5: Solve for x
    x = 12,801,418.57/4,404.93
  6. Step 6: Final answer
    x = 2,906.16

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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.